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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. Page 51 of 100 DG:DD/TxD/SkW/2012/EV / 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) Page 52 of 100 DG:DD/TxD/SkW /2012/EV / 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. Q ---~~- J 3l¢=nIT,~11 ~ (;)iii;:.i1 ;~\i) Page 53 of 100 DG:DD/TxD/SkW /2012/EV / 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. Page 55 of 100 DG: DD/TxD/SkW /2012/EV / 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 Page 56 of 100 DG:DD/TxD/SkW/2012/EV/ 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. Page 57 of 100 t§2 DG:DD/TxD/SkW /2012/EV / 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 Page 58 of 100 DG: DD/TxD/5kW /2012/EV / 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 <3-.~'T 31·.:~·r ·1' 1'1, '. f.1~~q;(0ii';'-iif-;I-M) DG:DD/TxD/SkW /2012/EV / 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 Page 60 of 100 DG:DD/TxD/SkW /2012/EV / 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 Page 61 of 100 DG:DD/TxD/5kW /2012/EV / 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 DG: DD/TxD/SkW /2012/EV / 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 Page 63 of 100 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. Page 64 of 100 DG:DD/TxD/5kW /2012/EV / 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 3fif;:rr Tf. ~ '[1m (3lf~~rt.;r~.;r) @ DG:DD/TxD/SkW /2012/EV / 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. Page 66 of 100 DG: DD/TxD/SkW /2012/EV / 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. Page 87 of 100 DG:DD/TxD/SkW /2012/EV / 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 DG:DD/TxD/SkW /2012/EV / 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. ~~ 3f4~; ~ Page 89 of 100 ,'~n (0"'F.;r~({,1) DG:DD/TxD/SkW /2012/EV / 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. r;~c-') 3{$n ~ T[. Page 91 of 100 -::,ill (01('; '; ." ~1\ DG: DD/TxD/SkW /2012/EV / 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 ~~ 3fit;n; ~(, ,'1 DG:DD/TxD/SkW /2012/EV / 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. ?~ <"""Y") 3fiRT 11. :'TT ~(v:;,,'~I" 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 ........•.. DG:DD/TxD/SkW /2012/EV / 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. , ..'1~ ~(3n~) Page 100 of 100