Download 7.0 9.0 D. Specifications of Audio Jack Panel

DG:DD/TxD/SkW /2012/EV /
6.3
6.4
7.0
7.1
7.2
7.3
7.4
7.5
9.0
9.1
9.2
9.3
9.4
9.5
9.6
600 Ohms balanced
Output
impedance
XLRmaie
Output
connectors
Audio Performance
Unity, ± 1.5dB adjustable
Gain
± 0.1 dB (20Hz to 20KHz)
Frequency
response
Better than 70 dB (20 Hz to 15 KHz)
Cross talk
Signal to noise 90 dB referenced to +8dBm
ratio
Better than 0.1 % (20Hz to 20KHz at +20dBm)
Harmonic
distortion
General
Operational on both 24 Vdc and 230 Vac +/- 10% , 50
Power supply
Hz±2%
5°C To 45°C
Operating
temperature
0° to 50° C
Storage
temperature
Max 90% at 40° C (non condensing)
Relative
humidity
Height to be specified in RU for 19" rack
Dimensions
Push button Control on front panel
Control
D. Specifications of Audio Jack Panel-tN/C) 2x24
The jack strips of 20 points each must be of high quality with positive contact and of twin
type for stereo/mono signals. All the contacts should be silver plated.
E. Specification of Video Jack Panels: The jack strips of 20 points each must be
of high quality. All the contacts should be silver plated.
F. Audio Patch Cords (2ft)
10 nos. of stereo patch cords are to be provided for patching purposes. Their length is to
be 2. ft. and should be of high quality, durable audio cable and jacks and should be
matched with AF jack panel.
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/
G. Video Patch Cords (2 ft)
10 nos. of video patch cords are to be provided for patching purposes. Their length is to
be 2 ft. and should be of high quality, durable video cable and jacks and should be
matched with video jack panel.
H. Specifications
1.0
of Audio Stereo Monitoring Amplifier 8 W
TECHNICAL SPECIFICATIONS:
The amplifier should essentially have the following features:
1.1 Protection against current over-loads:
The amplifier output should get muted in case of overload and revert to normal
functioning once overload ceases to exist.
1.2
Protection against thermal overload:
Temperature of power pack and heat sinks of both channels should be monitored and the
amplifier should get muted with a visual indication whenever temperature exceeds
permissible limits. In case of excessive temperature of heat sinks, the amplifier should be
protected.
1.3
Monitoring amplifier output should be continuously monitored for DC
components or very low frequency components which might endanger speakers if present
for longer durations. Amplifier output should get blocked in such an eventuality.
1.4
The amplifier should have protection
ultrasonic frequencies and high RF fields.
1.5
against open circuit, full short circuit,
It should be switchable to stereo and dual mono operating modes.
1.6
Necessary function switches such as volume/gain control, low and high filters
should be available on front panel. These controls should be rugged and reliable.
S.No. TECHNICAL
PARAMETER
1.1
INPUT
1.2
No. of input (stereo)
1.3
1.4
Input level
Input impedance
SPECIFICATION
I set (2 mono)
(XLR female connectors)
-10 dBu to + 10 dBu for rated output.
>10k ohms (balanced)
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1.5
2
CMRR (20 Hz-20 kHz)
Power Output
2.1
Frequency Response
With reference to 1 kHz over
the entire range of 20 Hz to 20
kHz.
Total Harmonic Distortion at 1
kHz.
Signal -to-noise-ratio
With input shorted and at
rated output (unweighted rms)
at .dBu input (22 Hz-22 kHz)
Damping factor
Power supply
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.
>60dB
8 W rms (40 W peak music power) per channel at 8
ohms nominal impedance at suitable terminals.
±0.5 dB
<0.5% at rated output
85 dB or better.
>75 into 8 ohms at < 1 kHz
The amplifier shall work on 230V ± 10%, 50Hz ±2%
single phase AC supply.
Equal to or less than 0.5 dB
Level difference between the
channels
Phase difference between the < 10°,20 Hz to 20 kHz
channels
Inter-channel X-Talk at 15 >75 dB at nominal level
kHz
Accessories: All necessary accessories like power cord and mating connectors shall be
supplied along with the units. The standard accessories should be clearly mentioned in
the quotation. Also, optional accessories if considered useful/recommended
by the
supplier should be quoted separately.
MECHANICAL:
The amplifier should be 19" rack mounting type for mounting in a rack.
I. Specifications of Audio Distribution Amplifier with Suitable Frame and
Redundant Power Supply and Extender Card
1. The system should be high-performance high reliability, analog audio distribution
amplifier.
2. It should be of professional quality.
3. It should have flat frequency response, a controlled roll-off and very low distortion.
4. The Isolation between the modules must be better than 90dB for audio frequency band.
5. The 'amplifier should be configured to 8 outputs designated to one input.
6. It should have balanced input and output.
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7. Technical Parameters:
S.No. Description
Power supply
1.
2.
Operating Temperature
Input level
3.
output Impedance
4.
5.
Output level
CMRR
6.
7.
Cross talk
Output Isolation
8.
9.
Frequency Response
Gain Range
10.
SIN ratio
11.
J.
Specifications
Parameters
230V AC± I 0%, 50Hz±2%.
5°C to 45°C
28dBu (Maximum)
660
25dBu (Minimum)
>85dB
>85dB isolation
>70dB
±0.05dB (20Hz to 20KHz)
-90 to 30dB in 0.5dB steps
>90dB
for Audio Processor
1. Introduction:
a. It should be a high quality stereo/dual mono audio processor for Analog
television audio, but should have digital signal processing only.
b. The equipment should be rugged, reliable and stable in operation under Indian
tropical condition. The climate may vary from very cold to hot, humid &
dusty.
c. It should provide sound with good loudness control at it's output as well as
preserve the frequency balance of original sound while controlling subjective
loudness.
d. It has to process audio available in the transmitter from a professional IRD
(Satellite receiver) or a T.V. studio.
e. LCD/LED type meters on front panel for adjustment of parameters as well as
for displaying required parameters for monitoring.
f. It should be a stand alone unit with built in tone generator for standard audio
test tones upto 15kHz.
g. As the audio processor will be installed in very high R.F. field environment of
lOkW UHF T.V. Transmitters, it should have proper R.F. Shielding.
h. It must have Stereo Enhancement, Equalization, and AGC with look-ahead
peak limiting.
1.
It must have Stereo Enhancement, Equalization, and Multi-Band processing (at
least 5 Band, including AGC) without look-ahead peak limiting.
J.
The bypass test facility of the unit must be available.
Page 54 of 100
k. The detailed technical specifications are provided below:
2. Technical Specifications of Audio Processor:
(a) Analog Audio Input
Configuration:
1.
Stereo / Dual-Mono.
Impedance: > IOk n load impedance, electronically balanced.
11.
111.
Nominal Input Level: Software adjustable from -4.0 to + 13.0 dBu (VU).
IV.
Maximum Input Level: +27 dBu.
v.
Connectors: Two XLR-type, female, EMI-suppressed. Pin 1 chassis ground, Pins
2 (+) and 3 electronically balanced symmetrical.
VI.
Processing: Digital Signal Processing (DSP).
Filtering: RFI filtered.
V11.
(b) Analog Audio Output
1.
11.
Configuration: Stereo, Flat or pre-emphasized at 50
Load Impedance: 600
n, balanced
JlS.
or unbalanced.
111.
Output Level (100% peak modulation): Adjustable from -6 dBu to +24 dBu
peak, into 600 ohm, software adjustable.
IV.
Signal to Noise Ratio: 2: 90 dB unweighted (Bypass mode de-emphasised, 20 Hz15 kHz bandwidth, referenced to IOO%modulation).
v.
VI.
V11.
L/R Crosstalk: ::;-70 dB, 20 Hz-IS kHz.
Distortion:::;
bandwidth.
0.01%
THD (Bypass
mode,
de-emphasised)
20 Hz-IS
kHz
Connectors: Two XLR -type, male, EMI-suppressed. Pin I chassis ground, Pins
2 (+) and 3 electronically balanced, floating and symmetrical.
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Filtering: RFI filtered.
Vlll.
3. General Parameters
1.
11.
Input Voltage: Single phase, 230Volt ± 10%, 50 Hz ±2%.
Input Power Connector: IEC, EMI-suppressed.
supplied.
Detachable 3-wire power cord
lll.
Grounding: Circuit ground should be independent of chassis ground, and can be
isolated or connected.
IV.
Safety Standards: As per latest international standards.
v.
VI.
V11.
Vlll.
IX.
Operating Temperature:
5°C to 45°C for all operating voltage ranges.
Humidity: 90% (max) at 40% non-condensing.
Mounting: 19" Rack mounting, height must be specified by bidder in RU.
RFI / EMI: According to latest International standards.
Weight: Must be specified by bidder in Kg.
K. Specification of Amplispeaker
1
2
3
4
The system should be high grade transducer of professional audio monitoring
quality.
Unit must have an ON/OFF switch with LED indication and a level control.
Transducer components like Woofer and Tweeter must be magnetically shielded.
Technical SpecificationsSr. No.
1.
2.
3.
4.
5.
6.
Description
Power Supply
Amplifier
power
without
clipping
SIN ratio
Gain control range
Volume control range
CMRR
Parameters
230VAC±10%, 50Hz ±2%.
LF-45W, HF-45W
>90dB
±6dB
>70dB
>65dB
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7.
Protection
Over current, Over heat, RFI,
Switch On/Off transients.
L. Broad Specification of Loudspeaker
General:
1. This specification pertains to professional high quality, studio monitoring stereo
loudspeaker system for continuous use in Broadcast Transmitter.
2. The loudspeakers shall be high fidelity three way speaker system based on stateof-the-art technology.
3. The enclosure of the speaker shall be of rugged structure and of alterative design.
4. The loudspeakers must be obtained directly from the manufacturer.
5. The power handling capacity of each of the matched loudspeaker shall be 125
watts, continuous pink noise.
6. Nominal impedance shall be 8 ohms.
7. The speaker system shall have frequency response within ±2 dB between 45 Hz to
20 kHz with respect to 1 kHz.
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Annexure 11-6
Specifications of Colour Test Pattern & Tone Generator
1. Doordarshan requires broadcast quality colour test pattern, sync signal generator and
tone generator with test signals for analog TV transmitters.
2. It should work for PAL/625 line system.
3. The unit should have SNMP remote control facility to integrate automated service.
4. Technical parameterss. No.
Description
Parametric values
Power supply
4.1
230V AC± 10%, 50Hz ± 2%
Output Connector
BNC/XLR
4.2
video/audio
Operating Temperature
5°C to 45°C
4.3
Output Impedance 75.0/12.0
4.4
video/audio
Video Output Return loss >30dB
4.5
Video Test signals
75% & 100% colour bar, linearity, flat
4.6
field, Multiburst, sweep (upto 5 MHz),
pulse & bar, CCIRLine 17,18,330,331,
video sweep for 250kHz to 5 MHz etc.
Audio Level
4.7
-48dBU to + 12dBU (Resolution 1dB)
Audio Frequency
o to 20 kHz
4.8
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Annexurell -7
Technical Specifications of Waveform Monitor
1.
1.1
1.2
SCOPE:
Doordarshan Requires 2 Input (A&B) Analog and Digital waveform monitors for
its TV Transmitters. These waveform monitors will be as per the technical
specifications of Doordarshan. The waveform monitors should be rugged, reliable
and stable in operation.
The Waveform monitors should be quoted with product's detailed specifications
datasheet pamphlets & operation Manual. It will be the responsibility of the bidder
to ensure that the equipment is complete in all respects. All connectors and cable
etc required for taking measurements should be supplied with the equipment.
The set of waveform
1.3
2.
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.8
2.9
2.10
monitors should be 19" rack mountable.
ESSENTIAL FEATURES:
The firm should offer a high precision, single unit having digital signal processing
capable of highly accurate measurement and high quality Colour LCD based
broadcast Analog and Digital waveform monitor.
The waveform monitor should have two selectable inputs to receive two numbers
of Analog and two numbers of Standard Definition serial digital signals.
The offered product should be able to provide real time LCD display suitable for
Live monitoring.
The offered waveform monitor should have the facility to display the waveform in
Overlay and Parade mode in RGB and YPbPr·
The Waveform Monitor should be able to monitor Gamut in RGB and YPbPr.
It shall provide facilities for monitoring of single H pulse and dual H pulse and
monitoring ofVITS signals.
The waveform monitor offered should have the picture display function of the
video signal on the LCD.
The Waveform Monitor should capable to display four measurements at a time, in
almost any combination such as waveform display, vector display, picture display
and status display.
The Waveform Monitor should offer remote access and control with a standard
Web-browser.
The offered waveform monitor should facilitate Eye pattern view of the incoming
selected digital video signal with Timing cursors with necessary filters.
It should be possible to monitor the serial transmission error of the serial digital
signal and analyze for the correct format and status by means of EDH codes.
Page 59 of 100
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2.11
2.12
2.13
2.14
2.15
2.16
2.17
2.18
2.19
2.19
2.20
It should be possible to measure the level of the serial digital signal and displayed
as equivalent length of coaxial cable.
The offered product should have the feature of Vector/Lightening display of the
color difference signals. The vector should display user-selectable graticules,
colour targets (75% and 100%) and color axis.
The Waveform Monitor should have safe area graticules on the picture display to
quickly verify correct placement of graphics, Titles or logos.
The Waveform Monitor should be able to store at least 30 presets.
The Waveform Monitor should record error logs up to 8000 events.
The Waveform Monitor should have USB Connector at the front to store the
presets.
It should have 10/100 Base-T Ethernet connection and offer remote access
It should have SNMP interface to allow easy integration with network
management software.
For Analog Video, the Waveform monitor must have BNC (female) input
connectors. It should also have the facility loop through of video signal to monitor
it on the video monitors.
All accessories like 19" rack mount kit, cabinet etc, should be quoted separately in
this offer.
reputed make and model meeting the following
Only internationally
specification should be quoted. The firm should enclose the user list of the
broadcasters to whom this product has been supplied.
3.
3.1
3.1.1
3.1.2
3.1.3
3.1.4
TECHNICAL SPECIFICATIONS:
Analoeue Composite Input:
3.1.5
3.1.6
Cross Talk
Maximum Operating
Amplitude
Vertical Measurement
Accuracy
Gain
Frequency Response
Sweep Time Accuracy
Sweep Linearity
3.1.7
3.1.8
3.1.9
3.1.10
3.1.11
Input
Input Type
Input Dynamic Range
Return Loss
2, PAL
75 n BNC, Passive loop-through
±6dB
35 dB (Power Off)
> 40 dB (Power On)
> 60 dB to 6 MHz
- 1.8 V to + 2.2 V, DC + peak AC
± 1%, All gain settings
In the multiples of 1, 2, 5 & 10
Flat to 5.75 MHz, ±1 %
±0.5%
0.2% of time displayed on screen
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3.2
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.6.
1
3.2.6.
2
3.2.6.
3
Serial Dhdtal Input:
Input
2, SMPTE259M, 625/50
Input Type
75 nBNC
Input level
800 mVp-p ± 10%
Return Loss
> 15 dB from 1 MHz to 270 MHz
Receiver Equalization
Up to 250m of type 8281 cable.
Range
Waveform Vertical Characteristics
Frequency Response
Luminance Channel (Y): ± 0.5 %, 50 KHz to 5.75
MHz
Chrominance Channel: ± 0.5 %, 50 KHz to 2.50
MHz
Vertical Measurement
At IX: ± 0.5%; at 5X: ± 0.2% of 700 mV full scale
Accuracy
mode.
Gain
Xl, X5 and XIO
3.3
3.3.1
3.3.2
3.3.3
Serial Dieital Output
Signal format
Output level
Return loss
3.4
3.4.1
3.4.2
3.4.3
3.4.4
Eve Pattern Display (For Eve Pattern confie:uration)
Type
Equivalent Time sampler
Bandwidth
Supported format SMPTE 259M, 270 Mbps
Jitter Filter:
10Hz, 1 KHz, 10KHz & 100KHz
Amplitude Accuracy
800 mV ± 5% for 800 mV input
3.5
3.5.1
3.5.2
3.5.3
3.5.4
Component Vector Mode
Vertical Bandwidth
Vertical Gain Accuracy
Horizontal Gain Accuracy
Vector Display
3.6
3.6.1
3.6.2
External Reference
Synchronization
Input Type
270 Mbps
800 mVp-p ± 10% across 75 n load
15 dB, 1 - 270 MHz
800 KHz
±0.5%
±0.5%
PB is displayed on Horizontal axis and PR is
displayed on Vertical axis
Both, Internal and external synchronization facility
Black burst, BNC, 75 n
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3.6.3
3.6.4
DC Input Impedance
Return Loss
20kQ
> 30 dB
3.7
3.7.1
3.7.2
3.7.3
3.7.4
Display
Screen Type:
Resolution:
Size:
Screen:
Color LCD
1024 X 768
13 cmx 10 cm
1 - screen and 4 - screen display
3.8
3.8.1
3.8.2
Power supply & operatin2 temperature
230V,50Hz
Input
5° to 45°C
Operating Temperature
Page 62 of 100
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Annexure 11-8
Specifications ofVU Meter
1.
Specification for VU meter
It should be a standalone unit, simple to operate and 19" rack mount.
It must be a professional level monitoring in broadcast systems.
The unit should have at least two Analog input (XLR type).
The input range must be at least ±lOdB.
Unit should have the facility of internal speakers.
2.
T ec h'mca I SspeCI'filca fIOns:
S. No.
2.1
Description
Input Impedance
Parametric
600 ohm.
2.2
Maximum Input level
20dBu.
2.3
Frequency of operation
20Hz to 20KHz.
2.4
Accuracy
±ldB.
2.5
Distortion
<0.1%.
2.6
SIN Ratio
>80dB.
value
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DG:DDjTxDjSkW j2012jEV j
Annexure 11-9
Specifications of RF Analyser:
1. SCOPE
The RF Antnena Analyzer should be a precision portable instrument, suitable for
making direct measurement and analysis on transmission lines of a "T.V. Transmitting
antenna system" installed at a T.V. tower, in proximity of high radiation. It should
capable to perform coverage mapping, Spectrum Analysis, Field Strength
measurement RF power monitoring and provide GPS co-ordinates information. It
should be a stand-alone integrated unit, rugged in consutruction, light weight, battery
operated, portable and tropicalised to be used in open to air space on T.V. tower
platforms.
1.
Features and Measurements required:
VSWR and Return Loss
Cable Loss
1.
11.
Gain, Loss or isolation of antenna and devices such as filters, attenuators,
amplifiers, etc.
111.
Distance-to-Fault(DTF) using frequency domain refectometery, with facility of
omparison of electrical length of two cables.
Field Strength Measurements
RF power measurement
Spectrum Analysis
GPS co-ordinate
Phase Measurement
IV.
v.
VI.
V11.
V111.
ix.
2.
Technical Specifications:
3.1 Antenna Testing:
i.
ii.
111.
Sweep Frequency Range: VHF Band III and UHF Band IVN Range
Freq. Resolution: ~ 100KHz for the full frequency range so that the level
corresponding to each
TV channel can be measured.
Display Points: selectable from 150 to 2000 points (selectable) for accurate
measurement of Distance to Fault.
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3.2 Measurement Range:
1.
VSWR: 1.00 to 6.00(Resolution 0.01) or better
11.
Return Loss: 0.00 to 50.00 dB (Resolution O.OldB) or better
111.
Cable Loss:O.OOto 20.00dB (Resolution O.OldB) or better
IV.
Distance to Fault Parameters: Horizontal Range: 0 to 1500 meters or better
v.
This instrument should have the facility to display "Smith Chart" for
transmission lines.
VI.
The fault detection in a transmission line/cable with air and foam as dielectric
should be
Vll.
possible for minimum 600 meters over full frequency range.
VlII.
Dynamic Range:80dB or better
IX.
Directivity(corrected for vector errors): 42dB or better
x.
Test port available on analyser: N-type; 50 ohms
XI.
R.F. immunity: The analyser should be immune to strong R.F. field at least upto
+ 15dBm or better
XlI.
XlII.
XIV.
xv.
The built-in signal source should allow measurement of loss, gain or isolation of
devices
such as filters, cables, attenuators, amplifiers and antennas.
Maximum input level: +20dBm, ±50V dc or better
Phase measurement: Instrument should be able to make I port phase
measurement and display Sll parameter on the instrument display.
3.3 Field Strength Measurement:
I.
The unit should have built-in FieIa Strength measurement capability for
television signals and shall be supplied with all the required accessories such as
standard calibrated omni-directional dipole/log periodic antenna to cover both
VHF and UHF frequency band, suitable tripod, pole, test port cable etc.
Certificate of calibration for the Antenna should be supplied along with the
goods. Correction factor data should also be provided.
11.
Frequency range: VHF Band III and UHF Band IVN Range
111.
Frequency resolution: better than 10Hz
IV.
High stability oscillator: frequency stability ± 1ppm or better
V.
Level resolution: O.ldB
VI.
EMF voltage measurement: should be possible to measure the EMF Voltage
from
-5 dB J-lV to + 120dBJ-lV or better
Vll.
VllI.
IX.
Field Strength Measurement: should be possible to measure the field strength
from
-5 dBJ-lV/m to +120dBJ-lV/m or better.
Detection systems: Max Peak, RMS Average/Average value.
Detection Scale Units: dBJ-lV/m, dBm/m2
Page 6S of 100
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x.
Antenna type: Halfwave standard dipole or log Periodic or any other suitable
standard antenna with tripod pole to have 10M height of receiving antenna and
connecting cable of minimum 12 m should be offered.
Xl.
Received Signal strength mapping: Instrument should be able to perform
coverage mapping using software supplied with the unit.
It should be possible to make field/Signal strength measurement in the field
stamped with GPS Coordinates and overlaid over the map captured in the unit
from Google Map using software supplied with the unit. It should be possible to
save the mapped results and transfer to PC or Laptop using USB drive or LAN.
XlI.
3.4 Spectrum Analysis and Power Measurement:
3.4.1 Frequency:
1.
11.
111.
IV.
v.
VI.
V11.
Vlll.
IX.
x.
Xl.
Frequency Range: 100KHz to 4GHz
Frequency Tuning Resolution: 1Hz
Frequency Reference: Aging:S ±lppm or better.
Accuracy:S ± 2ppm or better.
Frequency Span: 10Hz to 4GHz in 1-2-5 steps plus zero span mode.
Resolution Bandwidth: l'OHz to 3MHz in 1-3 steps, Accuracy ±5%
Video Bandwidth: 1Hz to3MHz in 1-3steps, Accuracy ±5%
Selectivity(3dB): 10Hz (min)
Level Resolution: O.ldB
SSB Phase Noise at IGHz: better than :S-100dBc at 10KHz offset
Spurious Response: :S-90dBm for frequencies 2: 10MHz.
Sweep time ( full span): should be adjustable by the instrument automatically
according to the RBW value selected and optimized according to the signal
applied for measurement.
3.4.2 Amplitude
1.
11.
111.
IV.
v.
Measurement Range: -150dBm to +25dBm
Protection against max. input level: The instrument should have internal
protection against the maximum input level upto +35dBm(peak, continuous); ±
50V de.
Average Noise Level: ,:S-150dBm (Frequency: >lOMHz; RBW :10Hz, OdB
attenuation. )
Total Level Accuracy: ±1.25dB, ±ldB(typical) (over full frequency range)
Display Scale units: dBm,dBV,dBmV,dBIlV,IlV,mV,nW,IlW,mW,and
W.
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VI.
V1l.
Vlll.
IX.
Display Range: I to 10dB/division, in IdB steps, lOdivision display.
Detection System: RMS average, Positive Peak, Negative Peak, Sample Mode,
Quasi Peak
Input Attenuator Range: 0 to +50dB.
Channel Power Measurement: -120dBm to +25dBm at the coupled ports of the
transmitter.
3.5 GPS Receiver
The instrument should have built-in GPS receiver to provide the Longitude, Latitude in
six figure co-ordinates and Altitude in meters. It should be possible to save the GPS
information with trace in the internal memory. Suitable GPS antenna with min 5m
cable should be offered.
4 General Features and Specifications
1.
Weight: To be specified by the bidder
11.
Temperature Range (for operation): 0 deg C to 45 deg C
111.
Relative humidity (for operation) 90% NC at 40 deg C.
IV.
AMSL: 1500 M
v.
Power Supply: Operatable on 230V ± 10% AC, 50Hz mains and 12Volt
dc/chargeable battery, with back up of at least 3 hours, should also have facility
of charging from vehicle battery.
vi.
Display: The analyzer should have coloured LCD/TFT screen to display the
measured traces.
vii.
The instrument should have multi-marker (min:6) displayed on the screen to
see the return loss and VSWR at different frequencies simultaneously.
viii.
The segment limit lines feature should be available for pass-fail tests.
ix.
The instrument should have the spectral emission mask filter feature to confirm
the transmissions within the approved limits.
x.
Instrument should have limit line feature to create mask filter for confirming
measurements within threshold limits. If the applied signal exceeds the
threshold limits, provision should be there to automatically save the event into
the internal memory of the unit. It should be possible to recall the saved results
from memory to analyse the events of violation oftheshold limits.
xi.
Instrument should be supplied with USB and LAN interface and the required
software for easy transfer of saved data into PC/Laptop and vice-versa
5 Plotter/printer:
a) The analyser should have RJ45 interface for printing on Deskjet/laser printers
Page 67 of 100
DG: o D/TxD/SkW /2012/EV /
and PCs.
b) Internal memory and Storage capacity: Minimum 2000 traces and 2000 sets of
instrument configurations.
6
Accessories and Options:
a) All accessories/options required for measurement ofVSWR, cable loss, return
loss and Distance to Fault of T.V. transmitting antenna and RF feeder cables,
spectrum analysis, GPS and field strength measurement are required to be
quoted with the analyser,
b) Standard accessories to be supplied with the unit should be clearly specified in
the offer.
c) Carrying case shall be offered for easy handling in the field and safer
transportation and shall form part of the offer.
Annexure 11-10
Specifications for Audio Analyser
1.
SCOPE:
The Audio Analyzer should be a precision instrument, suitable for making direct
Audio measurements of a "T.V. Transmitter system". It should be capable to monitor all
the Audio parameters of an Analog TV Transmitter system.
2. Features and Measurements required:
2.1 Analog Audio measurement functions:
Instrument must have the facility to'
measure the following Analog audio parameters of an Analog TV Transmitter(i) Level
(ii) Cross talk
(iii) Frequency
(iv) Total Harmonic distortion
(v) Noise
(vi) Drift
(vii) Inter modulation Distortion
(viii) Narrow band selective level
Page 68
of 100
DG:DD/TxD/SkW /2012/EV /
(ix) Spectral FFT analysis
3.0
SL.
NO.
1.
2.0
2.1
2.2
2.3
3.0
3.1
3.2
3.3
3.4
3.5
3.6
Technical Soecifications:Parameters
Values
Standard
PAL B/G colour standard
General Data
Operating Temperature Range 5 to 45°C
Humidity
90% (Non conditioning) at 40°C
Power Supply
230V ± 10%
Audio Inputs/Outputs
Connectors
BNC, two channels simultaneously operating.
Frequency Range
10 Hz to 80 kHz.
Frequency response from 20 ±0.05dB
Hz to 20 KHz. (Referenced to
1 KHz)
Common Mode Rejection at 1 2: 75 dB
KHz
Harmonic Distortion
20 Hz to 20 kHz
Fundamental Range
Maximum Input Voltage
33 VoltRMS
Page 69 of 100
DG:DD/TxD/SkW /2012/EV /
Annexure
A. Specifications
S.No.
1.
2.
of RF Step Attenuator
Parameters
Frequency Range
dB Value
5.
Connectors
Impedance
VSWR
6.
Accuracy
~
Insertion Loss
RF input Power
Avg
Peak
Temperature
3.
4.
8.
9.
B. Specifications
S. No.
1.
2.
3.
4.
5.
Connectors
Impedance
VSWR
6.
Accuracy
7.
8.
9.
Insertion Loss
RF Input Power
Construction
Temperature
10.
(0 - 100 dB)
Values
DC-IGHz
0-100 dB in 1dB/ 1OdB steps
(Fine/Coarse steps)
BNC
50 Ohms
1.2:1 (DC-500MHz)
1.4:1 (500MHz-IGHz)
± 0.2 dB (DC-500MHz)
± 0.3 dB (500MHz-IGHz)
0.5dB upto 1 GHz
2 Watt
1000W
0° C to 50° C
of RF Fixed Attenuators
Parameters
Frequency Range
dB Value
11-11
3 dB, 6 dB, 12 dB (N type)
Values
DC-IGHz
3dB, 6dB, 12dB
(each one independently)
N type
50 Ohms
1.2:1 (DC-500MHz)
1.4: 1 (500MHz-IGHz)
± 0.2 dB (DC-500MHz)
± 0.3 dB (500MHz-IGHz)
0.5dB upto 1 GHz
1 Watt
Rugged unibody
0° C to 50° C
Page 70 of 100
DG: DD/TxD/SkW /2012/EV /
C. Specification
for R.F. Power Meter With Sensors
SCOPE:
The RF power meter is required for measurement of RF power of modulated
signal. It should be a sensor based power measurement device having a good dynamic
range. The equipment should be rugged in construction, light weight and easy to operate.
The equipment must be supplied with the accessories like power cord, fuses and manuals.
Technical Soecifications:-
SL.
Parameters
Values
NO.
1.
Avera e ower
-67dBm to +44 dBm
2.
3.
Temperature
0 to 45°C
3.
Temperature
-10 to 50°C
4.
5.
6.
7.
230V ± 10%, Fre
U to 10Hz
U to 200 readin s er second
90 dB
The RF Power meter must be supplied with the power sensors to measure the
power in the above specified range.
~
.---_~)
~rr
11. ::J.'ill
~(~)
Page 71 of 100
OG :OO/TxO/5kW /2012/EV /
Annexure I1-12
Specifications of Computer With 800 VAUPS and Laserjet Printer:
1.0 Scope: Doordarshan (DD) intends to procure Computer system based on latest
technology. The computers should be rugged, reliable, and stable in operation under very
cold to hot, humid and dusty environmental conditions. Detailed specifications of the
Computers are given in this document. The Computers will be supplied along with
Uninterrupted power Supply (UPS) and Laser printer. The computer manufacturer!
bidder must have his local office / representative in India.
1. 1 Computer Con tiit?;uratlOn
Specification
S.No. Description
Intel Core i5
CPU
a.
Intel OEM Motherboard
Chipset
Integrated Graphics, 2 PCI, 1 PCI Express x 1 and
b.
Bus
Architecture
c.
1 PCI Express x 16
2 GB DDR3 RAM with 4GB Expandability
Memory
d.
500 GB 7200 rpm Serial ATA HDD
Hard Disk Drive
e.
17" LED Digital Colour Monitor
Monitor
f.
104 keys
Keyboard
g.
Optical
Mouse
4 Nos. (2 Nos. 5.25 inches for Optical Media
h.
Bays
Drives and 2 Nos. 3.5 inches for Hard Disk
1.
Ports
J.
k.
1.
m.
n.
o.
p.
q.
Drives)
6 USB Ports (with at least 2 in front), 1 Serial
audio ports for microphone and headphone in
front
Mini tower
Cabinet
16X or better DVD ROM Drive
DVD ROM Drive
10/100/1000 on board integrated Network Port
facility remote system
Networking
with remote booting
facility
installation, remote wake up
Dial up 56.6 kbps.
with
Modem
professional preloaded
Seven
Certificate of
Operating System Windows
Media and Documentation and
Authenticity
Win Logo Seven professional OS Certification
OS Certifications
Screen Blanking, Hard Disk and System Idle
power
Mode in power On, Set up Password, power
Management
supply SMPS Surge protected
Page 72 of 100
DG:DD/TxD/SkW/2012/EV/
r.
Norton, McAfee, or equivalent Antivirus (Latest
Version) with 365 days License and open office
Preloaded
Software
Laser Printer
'So No~:D;s~;iption-
- ----------~I
S-p-e-c-ifi-~ation
---------------------------f--------
a
b
c
d
e
if
:Output Type
Black and White
--+---
~-----------_+_--------------i
r--Resolution
----------------------
600 x 600 dpi
I
I Page pe: __
~!~ute(PPM)
-------1-------
-+--1_6
i A4
iUSB 2.0
Paper size
h~t;~face--------I
------+ ----------~-------------------I
_
------------------
Necessary cables & Utility Software to be supplied.
3.0 800 VA offline UPS
S.N Description
o
h
Charger
k
-----------------
Short circuit
Protection
Battery
rotection
Specification
800 VA
Ste ed a roximation to a Sinewave
165-270VAC
47 - 53Hz
30 minutes
50Hz±1%
<20 milli seconds
100% for 60 seconds, Indications Via LED & Audible
alarm with 3 times restart
Constant Power, 2 step charging Input voltage range 100
- 270V
Multi Ie short circuit rotection rovided
Overload, short circuit, low battery Over charge, Main
slow & Hi h in ut volta e
Sealed Maintenance free Cold Start, No-load AutoShutdown
Page 13 of 100
51..--
DG:DD/TxD/SkW /2012/EV /
Annexure
1. Specifications
of Professional
11-13
IRD for C-BandjKu-Band:
1.1. General:
1.1.1. The IRD should have a front panel display and one should be able to enter
or edit all the parameters for a perfect reception of the signals.
1.1.2. There should be provision for observing the BER (Pre & Post correction)
for DVB-S and C/N or PER (for DVB-S2) of the signal and signal level in the
front panel.
1.1.3. IRD should be able to descramble BISS mode 1 and BISS-E signals.
1.1.4. IRD should have at least 10 memory setups to store channels.
1.1.5. IRD should have CI slot so that by inserting the CAM module signals can
be descrambled.
1.1.6. If IRD's output port is configurable then there should be minimum 3 ports,
so that at any given point of time, at least one Analog, one SDI and one DVBASI output will be available by configuration.
1.2. RF Parameters:
Parameter
S.
Specification
No.
j.
k.
1.
Input Frequency Range
No. of Inputs
Tuning Step Size
Satellite Frequency Band
Input Impedance
Input Connector
Input Power Range
Image Rejection
Input Return Loss
Noise Figure
AFC Tuning Range
De-Modulation Method
m.
Variable Symbol Rates
a.
b.
c.
d.
e.
f.
g.
h.
1.
950 -1750 MHz
1 No.
125 kHz, maximum
C- & Ku-Band, selectable
75 Ohms
F-Type female
-30 to -65 dBm per carrier
>30 dB
7 dB, minimum
20 dB, maximum
± 5 MHz
DVB-S QPSK, DVB-S2 8PSK
demodulation
1.0 to 44.5 M symbol/Sec (
DVB-S)
1.5 to 30 M symbols/sec, minimum
Page 74 of 100
DG:DD/TxD/SkW /2012/EV /
(DVB-S2)
n.
Convolution Inner FEC Rates
selectable
R= 1'2, 2/3, %, 5/6, 7/8( DVB-S
option) QPSK
R= 2/5, 1'2, 3/5, 2/3, %, 4/5, 5/6,
8/9, 9/10 (DVB-S2)
o. IF Filter Bandwidth
Automatic Selection (dependent on
Symbol Rate)
Note: ASI to SDI decompression should take place directly, Le., not through
Analog to Digital Converter.
1.3 Audio and Video Decompression Parameters:
S.
No.
Parameter
Specification
Video Resolution (all
resolutions shall be
capable of I, P & B
frame decoding)
Video Decompression
Type
Television Standard
Audio Decompression
Type
1.4 Transport Stream O/P:
720 x 576, 704 x 576, 544 x 576, 480 x
576, 352 x 576 (other standard
resolutions should be selectable)
MP@ML
PAL-B
MPEG-l Layer-II audio (Stereo/
Musicam, Le. Single Mono, Dual
Mono, Stereo, and Joint Stereo)
AC-3 Pass through
MPEG-2 DVB-ASI on BNC
1.5 Video Output Specifications:
1.5.1 Analog Video Output Specifications
Page 75 of 100
DG:DD/TxD/SkW /2012/EV /
S.
No.
(a)
(b)
Connector Type
Quantity
(C)
Level
Parameter
Specification
BNC (75 Ohms)
I No. of analog composite PALB CCIR Standard
I.OV p-p ± 5%
1.5.2 Digital Video Output Specifications
S.
No.
(a)
(b)
Parameter
Specification
Connector Type
Quantity
I
(d)
Level
Serial Interface
BNC (75 Ohms)
I No. of DIGITAL output
compliant to ITU-R BT.656
Standard
800mV p-p for SDI
SMPTE 272-1994,270 Mb/s (10
bit)
1.5.3 Video Performance Specifications
S.
No.
(a)
(b)
I
(d)
(e)
(f)
(g)
(h)
Parameter
Specification
Frequency Response
Chroma-Luma Delay
Field Time Distortion
Line Time Distortion
Short Time distortion
Differential Gain
Differential Phase
Signal to Noise Ratio
Within 2 dB down at 5 MHz
±30 ns, maximum
<2%
< 1%
<2%
<4%
<2°
>55 dB (luminance weighted)
1.5.4 VBI Signal Reinsertion Specifications:
Page 76 of 100
S.
No.
Parameter
Specification
VBI Formats
Supported
Range of VBI lines
WST
VITC
Field I lines 7 to 22 (PAL) and
corresponding lines of Field 2
Within ± I frame
Synchronisation
with Video
Preservation of line
numbering
VBI data shall be reinserted on the
original line number
1.6 Audio Output
1.6.1 Analog Audio
1.6. 1.1Each analog audio output shall be presented as a stereo pair.
1.6.1.2In the event of "Mono" transmissions, the same input channel will be output to
both left and right connectors.
1.6.1.3In other modes ("Stereo", "Joint Stereo" and "Dual Mono"), the two input
channels will be output as left and right.
1.6.1.4Means shall be provided to combine the left and right channels on the IRD output
to produce a mono output from stereo transmissions to accommodate those sites
not equipped for stereo transmission.
1.6.2 Analog Audio Output Specifications
S.
No.
(a)
(b)
Parameter
Specification
Output Impedance
Number of Outputs
(c)
Connector Type
6000 (balanced)
4, configurable as Stereo, Joint
Stereo, Single mono, Dual mono.
XLR Male Socket or with
suitable XLR Adopter (Le., no
terminal block)
1.6.3 Digital Audio Output Specifications
S.
No.
(a)
C3--~
3fWrr
~
IT.
lL1T
(01,11'; ; ,"j)
Parameter
Specification
Output level
2-7 Volts nominal
Page 77 of 100
DG:DD/TxD/SkW /2012/EV /
(b)
Output Format
(c)
Load Impedance
(d)
Connector Type
(e)
Number of Outputs
1.6.4 Audio Performance
Specifications
AES/EBU( or AES 3id with
suitable adopter/converter to
AES/EBU)
110 Ohms( or 75 ohms with
suitable adopter/converter to
convert to 110 ohms)
XLR Male Socket or with
suitable XLR Adapter(Le.No
terminal block)
2, Stereo Channels
at 256 Kbps and sampling rate of 48 KHz
S.
No.
(a)
(b)
Parameter
Specification
Peak Output Level
Clipping Level
(c)
(d)
(e)
(t)
(g)
Sampling Rates
Frequency Response
THD
Dynamic range
Crosstalk at 1 kHz
+ 18 dBm into 6000 balanced
S/W Selectable to be provided or
any preset value between
+ 18dBu to +25 dBu.
48 KHz
40 Hz to 20 kHz ± 2 dB
<0.3 % at 1 kHz
80 dB (ITU-R/Arm weighting)
60 dB, full scale (20 Hz to 20
kHz)
55 dB (min) at 0 dBm
(h)
Signal to noise ratio
1.7LNB Power Supply & Control
S. No.
(a)
(b)
(c)
(d)
Parameter
LNB Voltage
Power Consumption
Over Current protection
LNB Power Supply &
Control
Specification
+ 13 V (Vertical)/ 18 V (Horz)
polarizations switching or 19 V
fixed.
400 mA. (Max.)
Fold back current limiting.
Receive Polarization Control by
electrical Command Via LNB- IF
feeder (High & Low band
switching Pulse for Ku Band
operation).
Page 78 of 100
DG:DD/TxD/5kW /2012/EV /
1.8 Size - Mount:
2
19" rack mountable.
Specifications of Cables, connecters:
2.1 An interconnecting low loss cable of length of 75 meters is required with each IRD
with suitable F male connector at each end.
2.2 The cable should be quoted in denomination of 50m & 25m, which can be used
independently (i.e. as 50m or 25m) or collectively i.e. as a 75m length using a
coupler (I-Connector) in between the 50m & 25m cables between outdoor and
indoor units.
2.3 The total insertion Loss for cable should not exceed 15dB at 1450 MHz.
3
Specifications for the LNBCin Cband:
3.1 Technical Specifications:
S.
No.
Parameter
Specification
(a) Input frequency range
3.4 GHz to 4.2 GHz
(b) Local Oscillator frequenc
(c) L.O. Stability
L. o. Phase noise
(d)
(e)
5.150 GHz
±10 PPM
Better than 65 dBc/Hz @ 1kHz
Better than 80 dBc/Hz @ 10kHz (min)
Better than 90 dBc/Hz
100kHz (min)
950 MHz to 1450 MHz
55 dB (min.)
(t)
(g)
Better than ± IdB/40 MHz
6dBm
rotection
~-J
~
~
F t e female
Better than 2.5:1
Better than 30de K
Should work between + 15V to +24 V
CPR 229
Should be rovided
Page 79 of 100
11. lJ0T
(::~:';-'..dH',l)
DG: DD/TxD/SkW /2012/EV /
3.2 LNBC should be environmentally sealed against weather conditions and extremes
of temperature (-10°C to 45°C). LNBC should also be 100% water proof.
4
Specifications
for Ku Band Feed, Cable, Dish, and LNBC
4.1 Specifications for Cables & Connectors
a) An interconnecting low loss cable of length of 75 meters the cable should be
quoted in denomination of 50m & 25m, which can be used independently (i.e. as
50m or 25m) or collectively i.e. as a 75m length using a coupler (I-Connector) in
between the 50m & 25m cables between outdoor and indoor units with F male
connector at both ends.
b) The total insertion Loss for cable should not exceed 15dB at 1450 MHz.
4.2 Specifications for Parabolic Dish Antenna, solid type, 2.4 M (dia) and Feed
S. No.
Parameter
Specification
a)
Antenna type
Offset / Prime Focus
b)
Frequency
10.95 GHz to 12.75 GHz
c)
Size
2.4 m diameter
d)
3dB beamwidth
Better than 1°
e)
At 30oEl: 31K (min)
f)
Antenna
Temperature
Gain at 11.7 GHz
g)
Drive system steerab Manual
h)
Azimuth
o to 360°continuous
i)
Elevation
10 deg to 85 deg
j)
Polarization
Linear orthogonal
k)
Mount option
Min 47 ± 0.25dBi
with fine adjustments
•
Ground mounting assembly to be
provided.
• Mount should be powder coated/
hot dip galvanized.
Page 80 of 100
DG:DD/TxD/SkW /2012/EV /
1)
m)
n)
0)
Reflector Material
Glass fiber reinforced polyester
Wind loading
80 Km/h operational, 200 Km/h survival
Feed VSWR
better than 1.3 : 1
Ports
2 port, for receiving both linear and
Orthogonal polarization signals
30 dB (min) on axis
Polarization
discrimination
Polarization
Adjustment
p)
q)
-5degree to 95 degree
4.3 Specification for the Digital LNBC in Ku band
S. No.
a)
Specification
Parameter
Input
range
frequency
10.7 GHz to 12.2 GHz (See note given
below)
b)
Oscillator
Local
frequency
LO freq of LNBC should be capable to
provide output frequency in L Band
between 950 to 2150 MHz.
c)
L.O. Stability
± 25 KHz or better
L.O. Phase noise
Better than 75 dBc/Hz @ 1kHz
55 dB (min)
d)
Conversion gain
e)
at 5 dBm (min)
level
Output
compressIOn
IdB
point
f)
Output Connector
F type female
g)
Input
VSWR/Output
VSWR
Better than 2.3: 1
h)
Noise
Figure
1 dB (Max)
Page 81 of 100
~("C')
~
ll, '.rill
~c.>lfl1lnfm)
DG:DD/TxD/SkW /2012/EV /
i)
Power
requirement
j)
Input flange
k)
LNBC should be environmentally sealed against weather
conditions and extremes of temperature (-10°C to 50°C).
LNBC should also be 100% water proof.
supply
Should work between + 15V to +24V
with current consumption of about 300
mA (max)
WR 75
NOTE: Bidder may offer 2 LNBCs or 3 LNBCs in one set (1 No. for
each band) to cover entire frequency ran!!:e.
5. Specifications for 4.8 M Motorized C Band Receive Antenna with de-Icing
Kit
A) Introduction: This Antenna would be used at AIR-FM site Rajouri (J & K) to
receive satellite down link signals in C Band. The Antenna reflector should be
made of lightweight material.
B) Specifications:
S. No.
Parameter
Specification
1.
Antenna type
Parabolic Prime focus, single pIece or
segmented
solid
aluminum
reflector,
painted with white heat diffusing paint.
2.
Feed
3.
Frequency
Prime focus, two ports, for receiving both
linear orthogonal polarized signal.
3.7 GHz to 4.2 GHz
4.
Size
4.8 M Nominal or higher
5.
Gain at 4 GHz
Better than 44 dBi (min) at mid band
6.
Polarization
Linear orthogonal
Page 82 of 100
7.
OfT with 300K LNB
27.2 dBfk at 40Hz
8.
Mount
Azimuth - elevation
9.
Drive System
Motorized
10.
Steerability
(i)
Motorized antenna control system:
1800 in two segments of 1200 continuous
150to 850 continuous
± 550 (Min)
Azimuth
(ii)
Elevation
(iii)
Polarizatio
n
(min)
11.
Feed Impedance
50 ohms
12.
VSWR (receive)
::;1.3:1
13.
Cross-pole Isolation
14.
Aperture efficiency
30dB (min) relative to co-polar gain within
10 beamwidth
Better than 70 %
15.
Wind Speed
60 Km/h operational, 100 Km/h survival
16.
Pointing stability
< ± 0.20
17.
Wave guide flanges
CPR 229 Flange
.
2. Notes:
2.1 The structural analysis may be provided from structural engineer to
assess the strength.
2.2 A calibrated graduation of Azimuth, Elevation and Polarization offset
should be provided in the antenna.
C) General:
1.
Azimuth, elevation offset angles (calibrated and absolute) should be
available for the operator at the base of the antenna.
2.
Motorized provision for fine correction of polarization offset.
3.
Repeat accuracy of the performance should be ensured by the manufacturer.
4.
All the petals and struts are to be marked by stamping for proper placing
during reassembling.
5.
No major filed alignment is required at the site for getting the specified
performance.
Page 83 of 100
DG:OD/TxD/SkW /2012/EV /
6.
Descriptive details of the antenna installation should be provided alongwith
the antenna foundation details, including bar bending schedule, bill of materials
and procedure to be followed in the installation.
7.
All iron parts should be galvanized (minimum 100 microns).
8.
Detailed diagram showing the antenna foundation and installation and
connection of accessories must be given with the offer.
9.
Suitable lightening protection and earthing system must also be provided.
10. The bidder must provide the list of its customers for the offered system
where the system has been working alongwith the date of installation.
D) De- icing System: Hot-air type deicing system is to be provided for the above
PDA at AIR-FM site Rajouri. The system should be designed to 'prevent'
accumulation of snow and ice on the PDA. System should have an enclosure on
the rear of the antenna and heaters and blower (Electric Type) located on the
antenna structure to provide Hot Air for inside the plenum, which in turn will heat
the reflector surface.
Features of De-icing System:
1. The De-icing System must be provided by the OEM ofPDA only.
2. Hot air De-ice system should heat the entire satellite uplink antenna reflector
and back structure uniformly to minimize the distortion of reflector.
3. The heater, including the heating elements, should be made of stainless steel
and all hardware should be either stainless steel or aluminium for a rust free
and corrosion free life.
4. The fan motors should be totally enclosed fan cooled type.
5. The heaters used should also have Full Back of Reflector Insulated Enclosure.
6. The Electric Heater should operate on 400V AC (3 Phase supply).
7. An automatic Control System (ACS) should be provided which can be
integrated into the Power Distribution Panel.
8. A rack mount Remote Control Panel which interfaces with the Controller
should also be provided.
9. Remote Control Cable of suitable length should be provided and the remote
control panel should be installed in the transmitter hall.
Page 84 of 100
DG:DD/TxD/SkW /2012/EV /
Annexure
11-14
Specifications of 60 kVA 3 Phase Input 3 Phase Output UPS System Alongwith
Isolation Transformer for TV Transmitters
GENERAL:
This Specification describes a 60 KV A three-phase, True on-line double conversion
continuous operation (defined as VFI in the IEC62040-3 UPS Specifications), solid-state
Uninterruptible Power Supply. The UPS should be reliable and stable in operation under
Indian tropical conditions. The UPS system shall be capable of running with 15 minutes
back up time at full rated capacity. All connectors & cables etc. required for UPS System
& its installation should be supplied with the equipment. The UPS System quoted must
conform to the latest international standards of safety and EMC. The conformance to
such standards (indicating standard's name & number) must be stated in compliance
statement. The UPS and battery manufacturer must be ISO 9001-2008 certified for
manufacturing of UPS and battery (respectively). A copy of the valid ISO 9001-2008
certificate should be enclosed with the offer. The installation of batteries should be
carried out within 15 days after receipt at site.
2. TECHNICAL SPECIFICATIONS OF UPS SYSTEM:
2.1
The UPS shall produce high quality sinusoidal output.
The UPS shall be designed to operate as true on-line, double conversion type
UPS strictly as per the definition oflEC 62040-3 as follows:
2.1.1 Normal Operation:
The critical AC load should be continuously supplied by the UPS inverter. The rectifier
& charger should take power from the AC input source, covert it into suitable DC and
supply to the inverter as well as charge the Batteries on Automatic Float cum Boost
Mode.
2.1.2 Upon Mains Failure:
Upon failure of AC input power, the critical AC load should continue to be supplied by
the inverter, which should obtain power from the battery. There shall be no interruption
in power to the critical load upon failure or restoration of the AC input source.
2.1.3 Upon Mains Restoration:
Upon restoration of AC input power, the Rectifier/Charger should automatically restart
walk-in and gradually take-over the supply to inverter and charging to the battery.
2.1.4' Static Bypass:
Each UPS Module should have in-built 100% rated static Bypass Line.
Page 85 of 100
DG:DD/TxD/SkW /2012/EV /
2.3
Static Transfer Switch:
Static Transfer Switch and bypass circuit shall be provided as an integral part of
the UPS. The static switch shall be naturally commutated high-speed static (SCR Type)
device rated to conduct upto 135% of full load current, continuously.
The Overload withstanding capability of Static Bypass Path should be 1000% for 100
millisecond, 135% - 170% for 10 minutes.
Maintenance Bypass Isolator:
2.4.1 General:
A manually operated maintenance bypass isolator shall be incorporated into the
each UPS cabinet to directly connect the critical load to the input AC power source,
bypassing the rectifier/charger, inverter, and static transfer switch.
2.4.2 Maintenance Capability:
With the critical load powered from the maintenance bypass circuit, it shall be
possible to check out the operation of the rectifier/charger, inverter, battery, and static
transfer switch.
Technical Specifications:
2.5.1 System continuous rating 60 kVA, 54 kW at 0.9 power factor.
2.5.2 Battery Capacity: The UPS system must be capable of providing supply to the
UPS Inverter/s on 60 kVA/54 kKW load for minimum 15 minutes of battery back-up
time. The Battery Bank shall be MF-VRLA type (Make GNB/ Amara Raja! HBL
Nife/Exide) consisting of 2 V cells installed in proper standard cabinets with proper
connections and in factory charged condition. The battery calculation is as follows:
BATTERY SIZING CALCULATION GUIDELINE (FOR VRLA BATTERIES)
Type of Battery
: Maintenance Free Valve Regulated Lead Acid With 20
Year Design Life (Amara Raja/HBL Nife/GNB Make/Exide).
Nominal DC Bus Voltage
: X Volt DC
Nominal Cell Voltage
: 2 V per cell
Thus, No. of Cells (N)
: (X/2)
End Cell Voltage (V)
1.75 Volts
Load Duty Cycle (L)
54 kW Continuous
Inverter Efficiency E
(93%)
Back up Time
: 15 Minutes
Maximum Current for the above Load (I dc) = LxI OOO/(VxNxE) Amps. DC
The Other Factors to be Considered:
Page 86 of 100
1) Temperature Correction Factor (T)
2) Capacity Factor (K)
V to be specified by the OEM of battery.
1.0731 (40uC)
K factor at the end cell voltage of 1.75
Considering the above Factors the required Battery Capacity
=
I dc x K x T
=
Calculation of the Battery Capacity,
bv the OEM.
as per the above formula,
AH
must be provided
2.5.3 Rectifier Input: 415 Volts, three-phase, 4-wire-plus-ground
Bypass input: 415 Volts, three-phase, 4-wire-plus-ground.
Output: 415 Volts, three phase, 4-wire-plus-ground.
2.5.4 Input Voltage range: 320 V to 460 V (415 V nominal) for 100% load
2.5.5 Input Frequency: 50 Hz
2.5.6 Frequency Tolerance: 45 Hz-55 Hz
2.5.7 Power Walk in: 5 - 30 seconds (User programmable)
2.5.8. Input Power Factor
2: .98 for all loads
In order to achieve this, the Rectifier must be IGBT based; Power Factor Corrected
and DSP Controlled.
2.5.9 Input Current Harmonic Distortion: ~ 4% THD maximum at 100% load and ~
3% THD at 75% load at nominal input voltage.
2.5.10 Output Voltage regulation:
+/- 1% steady state for a static 100% balanced load.
+/- 2% steady state for a static 100% unbalanced load.
+/- 5% for a 0 to 100% load step.
2.5.11 Output Frequency: 50 Hz +/- 0.1 Hz free running (battery/mains operation).
2.5.12 Output Power Factor Range: 0.9 leading to 0.9 lagging at rated KVA.
2.5.13 Output Harmonic Distortion:
~2% THD maximum for a 100% linear load.
~5% THD maximum for a 100% non-linear load.
2.5.14 Crest Factor: 3: 1 or better
2.5.15 Voltage Transient Response:
+/- 3% for a 50% load step.
+/- 5% for a 100% load step.
2.5.16 Voltage Transient Recovery Time: 20 milli-seconds.
2.5.17 Phase Displacement:
120 degrees +/- 1 degree for balanced load.
120 degrees +/- 1 degree for 50% unbalanced load.
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120 degrees +/- 2 degree for 100% unbalanced load.
The system should be capable of supplying energy to load from commercial mains
without any break, in case of phase reversal at the input. It should also generate aural and
visual alarm in such a case.
2.5.18 Overload Capability:
110 % for 60 Mins.
125 % for 10 Mins.
150 % for 1 Mins.
1000% for 100 milliseconds & 135-170% for 10 Mins in bypass operation.
2.5.19 Short Circuit Withstand: The UPS must withstand a bolted fault short circuit on
the output without damage to the UPS module.
2.5.20 Inverter efficiency: 2:93% at 100% Non linear load, at nominal voltage with
batteries fully charged.
2.5.21 Acoustical Noise:
67 dB (A) of noise, typical, measured at 1 meter from the
equipment surface.
2.5.22 Transient Voltage Surge Suppressor (TVSS) should be provided at the input &
output of the UPS System.
2.5.23 Please specify UPS Cubical and Battery Rack dimensions LXBXH in meters.
Floor layout plan with dimensions may be given.
:s
Environmental Condition:
The UPS shall be able to withstand the following environmental
without damage or degradation of operating characteristics:
2.6.1
2.6.2
2.6.3
.2.6.4
1900
conditions
Operating Ambient Temperature for UPS: O°Cto 45°C
Storage/Transport
Ambient Temperature for UPS: -10°C to +50°C
Relative Humidity: <90% at 40°C
Altitude Operating: The UPS should be able to deliver the rated output up to
meters above Mean Sea Level.
2.6.5 Input Current Walk-In:
The'rectifier/charger shall contain a timed walk-in circuit that causes the unit to gradually
assume the load over a 5 to 30 second (User Programmable) time interval after input
voltage is applied.
Page 88 of 100
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2.6.6 DC Filter:
The rectifier/charger shall have an output filter to mmImIze ripple voltage into the
battery. The Ripple voltage should be less than 0.5%. The Ripple Current should be
$ 5% of battery AH capacity.
Battery Recharge:
In addition to supplying power for the inverter load, the rectifier/charger shall be capable
of providing battery charging current to recharge the battery properly (up to 10% of
battery AH capacity). Total Battery Management and monitoring should be available in
the System. In addition to the above manual charging current control may also be
provided.
2.6.8 Output Frequency
The output frequency of the inverter shall be controlled by an oscillator. The
Oscillator shall hold the inverter output frequency to ± 0.1 Hz for steady and transient
conditions.
2.6.9 Low Battery Voltage Protection: To prevent total discharge or damage to the
battery, the UPS must transfer to standby operation when the battery voltage reaches a
minimum voltage level (programmable).
2.6.10 Battery disconnect: An external MCCB is to be provided for protection and
isolation of the battery bank from the rest of the system.
2.6.11 RF Shielding: The UPS must have RF (Radio Frequency) radiation shielding
since it will be installed in strong RF field environment of 10 KW power. Any failure of
electronics due to RF pick-up must be taken care of by the manufacturer.
3.0
DISPLAY AND CONTROLS:
3.1.
Monitoring and Controls:
The UPS shall be provided with a status display and control section designed for
convenient and reliable user operation. A system power flow diagram, a percentage load
and battery time remaining display shall be provided as part of the monitoring and
controls sections which depict a single line diagram of the UPS. The monitoring
functions such as metering, and alarms shall be displayed on a Graphic florescent
backlit LCD. Language features of the monitoring system shall be in English. Minimum
250 Pieces Historic Event Record should be there.
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3.2
Metering
The following parameters shall be displayed:
a)
Input Voltage & Currents, Frequency, Power Factor
b)
Bypass: Phase Voltage, Line-Line Voltages, Frequency
c)
UPS Output:
Phase Voltages, Currents, Line-Line Voltages, Power Factor,
Frequency
d)
Local Load:
Load of Each Phase Active Power (KW), Apparent Power (KV A) of each Phase, Load
Crest Factor
e)
Battery: Battery Bus voltage, Battery Charge & Discharge current, Forecasted
Battery Back-up Time, Battery Temperature Battery Capacity (AH)
f)
Parallel Load (for Parallel Operation System): Apparent Power
(KVA) of Each Phase, Active Power (KW) of Each Phase
3.3.
Warning, Protection
and Alarm Messages:
Input/Mains:
Charger Fault, Input Fuse Fail, Control Power 1 Fail, Mains Phase Reversed, Mains
Voltage Abnormal, Mains Under-Voltage, Main Frequency Abnormal generator
connected, Input Disconnect Open/closed
Rectifier/Input Inductor/DC Bus/Booster/Balancer~
Input Inductor over Temperature, rectifier Fault, rectifier over-current, Soft Start Full,
Rectifier Comm. Fail, Rectifier in setting, Rectifier Over Temperature, DC Bus
Abnormal, DC Bus Over-Voltage, Balancer Fault, Balancer Over-Current, Balancer
Over- Temperature
c)
Battery:
Battery Over-Temperature, Battery Fault, Battery replaced, Battery Low prewarning, Battery end of Discharge, Battery contactor Fail, Converter Over-Current,
Battery Capacity Testing, Battery Maintenance Testing, Battery Fuse Fail, Battery
Contactor Open/Closed, Battery Reverse, No Battery, Battery Float Charging, Battery
Boost Charging.
d)
Inverter:
Inverter Over-Current, Inverter Asynchronous, Inverter Fault, Inverter inductor
over-temperature, Inverter Over-Temperature, Inverter communication Fail, Inverter STS
Fail, Inverter DC Offset, Inverter in Setting.
Page 90 of 100
e)
Bypass:
Bypass STS Fail, Bypass unable to trace, Bypass Abnormal, Maintenance Disconnect
Open/Closed, Bypass disconnect open/closed, Bypass Abnormal Shutdown, Bypass
Phase Reversed, Bypass over-current.
f)
Paralleling:
Parallel Board Fault, System Transfer, Parallel Communication
Connect Fault.
Fail, Parallel
g)
Module's Common:
Normal Mode, Battery Mode, Bypass Mode, Ambient Over-Temperature, Fan
Fault, System Overload, Manual Turn-ON/OFF, Unit overload time-out, Operation
Invalid, Output Fuse Fail, Control Power 2 Fail, Unit overload, Joint Mode, UPS
Shutdown, Output disabled, Transfer confirm/cancel, Unit OFF confirm, System OFF
confirm, Fault Reset, Alarm Silence, Output Disconnect Open/Closed, Turn-ON Fail,
Output Over-Voltage (reserved), Alarm resent, Load impact Transfer, Transfer TimeOut, Load Sharing Fault, Parallel ID Error, EPO, Setting Save Error, Mains neutral Lost,
UPS System testing, protocol version Clash.
3.4
Power Status Diagram:
1. A mimic panel shall be provided to depict a single line diagram of the UPS.
Illuminating lights shall be integrated within the single line diagram to
illustrate the status of the UPS. The three LEDs shall indicate the following
status.
2. Bypass voltage OK
3. Load on bypass
4. Load on inverter
Controls:
The following controls have to be accomplished with the display unit:
1.
2.
3.
4.
S.
6.
Silence an audible alarm.
Set the alphanumeric display language to English or the alternate language.
Display or program the time and date.
Enable or disable the automatic restart feature.
Transfer to or from static bypass operation.
Transfer to or from forced battery operation.
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Page 91 of 100
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7. Program the unit for economy operation.
8. Program the battery charger.
9. Calculate battery back-up time.
10. Test battery condition on demand.
11.Program the unit to periodically test battery condition.
12. Program voltage and frequency windows.
13. Calibrate metered parameters.
14.Enable or disable adaptive slew rate. Set maximum slew rate.
15.Adjust set points for different alarms.
16. Program the remote shutdown contact (enable/disable remote shutdown, polarity
display).
17. Set the delay of the common fault contact.
18. Program the unit for soft start for use with a generator.
3.5
Communication Features:
1. RS-232 / RS485 interface ports as standard feature
2. SNMPIHTTP Network Interface.
3. MODEM Card.
3.6
Remote UPS Monitoring Kits:
Remote UPS monitoring must be possible via either RS-232 or contact closure of the
UPS.
SNMP adapter:
A Web-Enabled SNMP adapter for one or more network management systems (NMS) to
monitor and manage the UPS in TCP/IP network environments should be available. The
management information base (MIB) must be provided. The SNMP interface adapter has
to be connected to the UPS via the RS232 serial port.
3.8
UPS On And Off Switches:
Momentary UPS on and off Switches must be provided in a user accessible area. Upon
activation of the Switches, the UPS must automatically connect the UPS output to the
critical load. Upon de-activation of the Switches, the UPS must remove power from the
critiCal load.
3.9
Integral Maintenance Bypass:
Page 92 of 100
The Integral maintenance bypass has to supply the load from the bypass source while the
UPS is isolated for maintenance. UPS input, output, static bypass and Maintenance
Bypass Switch must be housed in the same cabinet. Each switch must be monitored and
controlled by the UPS.
3.10 Battery charger temperature compensation:
For units with external batteries, the battery charger temperature
monitor the temperature in one battery cabinet.
4.
compensator has to
ISOLATION TRANSFORMER
The isolation transformer should be three phase, naturally cooled type, housed in one
steel cubical provided with unidirectional cast iron wheels at bottom and lifting hooks at
the top. The cubical enclosing the isolation transformer should have doors on front and
rear side, bolted side covers and removable top cover.
S.
No.
a.
b.
Description
Specification
AC Input
AC Output
Delta 3-phase, 415 ± 10% (phase to phase)
Star 3-phase, 415 ± 10% (phase to phase), 230 (phase to
neutral)
47 to 53 Hz
75 kVA 3-phase
Continuous, Indoor
Better than 110 dB
Frequency
Capacity
Duty cycle and use
Common Mode Noise
Reiection
Load regulation
Insulation resistance
Terminals
Cable entry
Efficiency
c.
d.
e.
f.
g.
h.
1.
j.
k.
1.
Insulation Class
m. ENVIRONMENTAL
CONDITION:
1.Operating Ambient
Temperature
2. Storage/Transport
<4%
More than 500 Mega Ohms at 500V
Studs on fiber glass plate at rear
Bottom
~97%
Class F
50C to 450C
OOCto 500C
Page 93 of 100
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Temperature
3.Relative Humidity
upto 90% at 40°C (Non-Condensing)
Page 94 of 100
Annexure 11-15
Specifications of 75 kVA AVR:
INTRODUCTION:
1.
Servo Controlled Automatic Voltage Regulator (AVR) is to be used in TV
Transmitters and with other transmission equipment so that the sensitive
equipment are protected from low voltage / high voltage and power supply
fluctuations and surges.
11.
The AVR should be rugged, reliable and stable for continuous operation.
lll.
It should be naturally air cool type housed in one steel cubicle and hook at the top
for lifting.
iv.
It should be from reputed manufacturer who are ISO 9001/ ISO 14001 certified.
TECHNICAL SPECIFICATIONS:
Value
Parameter
S. N.
Inputs
2
400 V, 3 Phase
Nominal voltage
2.1
300Vto 440V
Range
2.2
48 to 52 Hz
Frequency
2.3
Sinusoidal .
Waveform
2.4
Outputs
3
400 R.M.S. ±1.0%, 3 Phase
Nominal
voltagePhase
3.1
400 V to 410 V R.M.S.
Settability
3.2
± 1.0%
Load regulation
3.3
± 1.0%
Line regulation
3.4
75 KVA
Capacity
3.5
Sinusoidal
Waveform
3.5
>95%
at full load, unity power
4
Efficiency
and at mInImUm input
factor
voltage
> 30 V/Second. Phase to phase.
Correction speed
5
Switch on delay with timer and o to 60 seconds.
5.1
contactor
6
Protections
25% for half an hour.
Overload capacity
6.1
Disconnecting
the load
Output under voltage
380V
6.2
through a
contactor with alarm bell.
the load
430 V, Disconnecting
Over voltage
6.3
through a contactor with alarm bell.
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Page 95 of 100
DG:DD/TxD/SkW /2012/EV /
6.4
Over load tripping
11
Disconnecting the load through a
contactor with alarm bell.
Power factor effect
Nil
Waveform distortion
Less than 1% at full load
Line noise suppression (for control Line noise to be suppressed by at
circuit only)
least 30dB for frequency range 10
MHz to 250 MHz
Metering
(a)Digital voltmeter to be provided
to read input & output R.M.S.
Voltages of each phase or Phase-toPhase selected by selector switch.
(b)Digital Ammeter to be provided
to read current of each phase
selected by selector switch.
Indications
(a) LEDs for indicating
(i) Input on (ii) Out put on.
(b) LED for indication of input
power
(i) LED for indicating low input.
(ii) LED for indicating of input OK.
(iii) LED for indication of high
input.
Controls
(a) Output On-Off through MCCB.
(b) Auto-Manual switch selection.
(c) Raise/lower the output voltage in
manual mode.
(d) Provision of AVR By pass in
case of Malfunction.
Input/ Output terminations
(a) Suitable
input
&
output
terminations should be provided.
These terminals along with other
distribution board output terminals
shall be provided with acrylic sheet,
so that these terminals are not
accessible inadvertently.
(b)Earthing
terminal
IS
to be
provided.
Weight & Dimensions (LxBxH)
To be specified by the bidder
12
Environmental
6.5
6.6
6.7
7
8
9
10
specifications
Page 96 of 100
DG:DD/TxD/5kW /2012/EV /
12.1
12.2
12.3
12.4
12.5
13
13.1
13.2
13.3
13.4
13.5
13.6
13.7
Ambient tern erature range
5°C to + 45°C (0 erative)
Stora e tern erature ran e
0° C to + 50° C.
Relative Humidit
Max 90% NC at +40° C.
Maximum Altitude
1900 M
T e of coolin
Natural air coolin
Notes:
Derating factor (adequate) should be applied to critical components while
desi nin to im rove life ex ectanc .
All the transformers and chokes must be varnish im regnated.
All the com onents used should be of re uted make.
PCB should be of glass epoxy material and heavy components & high
power dissipating components like transformers, chokes, high power
transformers should not be mounted direct! on the PCB.
AVR should be subjected to 100 hrs. Heat Run Test at max. load under
normal ambient tern erature condition.
AVR should be compatible & according to latest National and
International standards on safety & EMC. Standards followed should be
stated.
Past supply record of manufacturer in supplying similar capacity AVR to
other organization may be attached.
Page 97 of 100
DG: DD/TxD/SkW /2012/EV /
Fig. 1: 7 Port Patch Panel- Details
To Antenna (lOkW)
Comb in 1
(5kW)
Comb in 2 (5kW)
from
Txl
5kW
Comb out (10 kW)
To Dummy Load (10 kW)
Notes:
1. U Links between Tx 1 to Antenna, Tx2 to Antenna, Tx
1 to Dummy load, Tx 1 to Comb in 1, Tx 2 to Comb 2
in are of same size.
2. U Links between Comb out to Antenna and Combiner
out to Dummy load are of same size.
3. The above to sets out U links (as given in 1 & 2 above)
MUST BE of two different sizes ..
Page 98 of 100
Annexure III
Performa for information about Local Office for after sales support
1.
Address of Office
Telephone
Fax No.
E-mail Address
2.
(if
communication
for
Address
different)
(authorized
Status
Legal
office/
liaison
Representative/
registered company etc.)
Name of the Address of Lead
official
Brief details of Technical facilities
available for after sales support
Main line of business, Specialization
and number of years of operation
Total Number of permanent technical
employees including their designation
and qualification
3.
4.
5.
6.
7.
8.
Details of Agreement/ MoD for after
sales support
(copy must be provided
offer)
(Authorised
office)
Signatory
of
Date of Agreement:
Execilted at :
with the Executed by :
local
(Authorised
OEM)
Name:
Name:
Signature:
Place and Date:
Signature:
Place and Date
Signatory
of
Transmitter
Page 99 of 100
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Pre-bid conference:
A pre bid conference on technical specifications and other issues shall be held on ------------------------ at ---------Hrs in conference hall, 6th Floor, Doordarshan Directorate,
Doordarshan Bhawan, Copernicus Marg, New Delhi-llOOOl, India. All prospective
bidders may attend the pre bid conference to discuss their queries/suggestions. All
queries/suggestions should be sent to Doordarshan at least 2 days before the date of pre
bid conference. No queries/suggestions shall be entertained after pre-bid conference.
Amendments subsequent to the pre bid conference shall be sent, to prospective tenderers
who have purchased tender document, by e-mail/fax/post. Amendment shall also be
posted on Doordarshan website www.ddindia.gov.in.
It shall be the tenderer's
responsibility to check for any amendments on Doordarshan's website before submitting
their duly completed bids. The amendments shall be the part ofDD's tender document.
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