Download PA 150 Amplifier

Eclipse Series
RF Technology
[email protected]
February, 2003
PA 150 Amplifier
Operation and Maintenance Manual
This manual is produced by RF Technology Pty Ltd
10/8 Leighton Place, Hornsby NSW 2077 Australia.
Copyright © 1997 RF Technology.
CONTENTS
CONTENTS
Contents
1
1
Operating Instructions
1.1 Front Panel Indicators
1.2 Internal Adjustments
1.3 Output Power
1.4 RF Level Detector
3
3
3
3
3
2
Circuit Description
2.1 Amplifiers
2.2 Power Splitter/Combiners
2.3 Directional Coupler
2.4 Low pass Filter
2.5 Power Control Circuits
2.6 RF Output Indicator
2.7 Over Temperature Protection
4
4
5
5
5
5
5
6
3
Alignment Procedure
6
4
Specifications
4.1 Description
4.2 Physical Configuration
4.3 Front Indicators and Test Points
4.3.1 Indicators
4.3.2 Test Points
7
7
7
7
7
8
5
Electrical Specifications
5.1 Power Requirements
5.2 Frequency Range
5.3 Nominal Antenna Impedance
5.4 Output Power
5.5 Transmit Duty Cycle
5.6 Spurious and Harmonics
5.7 Maximum Heatsink Temperature
5.8 ALC Output
5.9 Mis-Match Protection
8
8
8
8
8
8
8
9
9
9
6
Conectors
6.1 Antenna Connector
6.2 Power and I/O Connector
6.3 Test Connector
9
9
9
9
7
Appendix A Block Diagram
Schematic Diagram
Board Layout
Parts List
10
RF Technology PA150
11
12
Page 2
1 OPERATING INSTRUCTIONS
WARNING
Changes or modifications not expressly approved by
RF Technology could void your authority to operate
this equipment. Specifications may vary from those
given in this document in accordance with
requirements of local authorities. RF Technology
equipment is subject to continual improvement and RF
Technology reserve the right to change performance and
specification without further notice.
1
Operating Instructions
1.1
Front Panel Indicators
PWR LED
The Power LED shows that the dc supply is connected to the transmitter.
RFO LED
The RF Output LED indicates that the amplifier is being driven and that
the forward output power is above a preset level. The indication level is
set by RV1 which is accessible through the side of the case. (After
removing 20 screws)
TEMP LED
The Temperature LED indicates when the amplifier temperature
is too high. The power is automatically reduced if the output transistors
temperature rises above safe limits.
1.2
Internal Adjustments
All internal adjustments are factory set and should not need readjustment under
normal conditions.
1.3
Output Power
The output power is set to the desired level watts by RV2. It determines the
threshold of the ALC voltage which is fed back to the transmitter module to
regulate the power. The output power of standard amplifiers can be set to any
level between 25 and 75 watts. The high power versions with “H” suffix model
numbers can be set between 50 and 100 watts.
RF Technology PA150
Page 3
2 CIRCUIT DESCRIPTION
1.4
RF Level Detector
The RF Detector threshold for the RFO LED on the amplifier front panel is set by
RV1. This is normally set at half the rated output power.
WARNING
Ensure that the output power setting complies with the equipment’s licence
requirements. Failure to do so may result in penalties being imposed by the
licensing authority.
PA150 Amplifier I/O Connections
25 Pin Connector
Function/Signal
DC Power +12Vdc
- 0Vdc
ALC Output
Pins
1,2,14,15
12,13,24,25
8
RF Input
BNC Connector
RF Output
N Connector
2
Specification
+11.4 to 16Vdc
Approx 7Vdc decreasing with
increasing power or temperature
25 Watts max
120 Watts Max
Circuit Description
The following descriptions should be read as an aid to understanding the block and
schematic diagrams at the rear of this manual.
2.1
Amplifiers
The RF power amplification is provided by one or two transistors, Q4 and Q5.
The standard power version uses one transistor (Q4) and the high power version
uses two. Each transistor is rated at 75 watts output. The input and output
impedances of the transistors are matched to 50O by microstrip matching
networks.
RF Technology PA150
Page 4
2 CIRCUIT DESCRIPTION
The amplifiers are broad band and do not have any tuning adjustments. The “A”
versions are optimized for the frequency range 136-156 MHz while the “B”
versions cover 154-174 MHz.
The dc supply is fed to the amplifiers through resistors R21 and R22. This allows
the collector current of each amplifier to be measured at the test socket.
2.2
Power Splitter/Combiners
The high power versions use zero degree power splitters and combiners. They
consist of lumped element 1/4 wave 70O pi networks and 100O RF resistors (C4350, L17-20, R19-20). This configuration provides wider bandwidth and better
balance than lower cost 90 degree hybrids.
2.3
Directional Coupler
The forward and reverse power components are measured throug a coupled line
directional coupler. The output of the coupled line is frequency compensated by
R1-4 and C51-52 before being detected by D1 and D3.
The voltage output of the detectors is proportional to the forward and reflected
power.
2.4
Low Pass Filter
A low pass filter consisting of L12-16 and C39-42 reduces the harmonic
components to less than -80dBc. The filter uses a combination of lumped
elements and printed microstrips to obtain the required harmonic attenuation.
2.5
Power Control Circuits
The forward and reverse voltages from the directional coupler are amplified and
inverted by U2a and U2b. The amplified voltages are combined before
connecting to the input of error amplifier U2d.
Error amplifier U2d compares the detected voltage with the dc reference voltage
from output power trimpot RV2. The amplified difference at the output U2d is
supplied to the rear panel system connector for connection to the T150 ALC input.
2.6
RF Output Indicator
The forward power voltage is compared with the pre-set dc reference voltage from
RV1 and U2c. The output of U2c is used to turn on the RFO LED and provide an
output power logic signal to the test connector.
RF Technology PA150
Page 5
3 ALIGNMENT PROCEDURE
RV1 is normally set so that the RFO LED comes ON at 1-3 db below the normal
power output.
2.7
Over Temperature Protection
Thermistor RT1 is mounted to the case of output transistor Q4. If the transistor
case temperature rises above 90 degrees C the resistance of RT1 increases and Q2
is turned ON.
This causes the TEMP LED to come on and also reduces the dc reference voltage
to the output power error amplifier U2d. The input power will then be reduced by
the transmitter ALC circuits and the output transistors are kept within safe
operating limits.
3
Alignment Procedure
The following procedures may be used to align the amplifier for optimum
performance.
Standard Test Conditions
RF Input Source
T150 Series transmitter
25 watts maximum
Power Supply
13.8 Vdc at 15 A
Load
50O 150 watts
VSWR < 1.2:1
Set RFO Level
Step
1
2
3
Input
None
Centre channel
frequency from the
T150, 25W max
threshold
As above
RF Technology PA150
Measure
Set RV1 and R2
RF output power at
J2
RFO LED
Adjust
Fully counter
clockwise
Key transmitter
adjust RV2 for
desired output
Key transmitter
adjust RV1 to
where the RFO
LED just goes OFF
Page 6
4 SPECIFICATIONS
Set Output Power
Step
4
Input
As above
4
Specifications
4.1
Description
Measure
RF output power at
J2
Adjust
Key transmitter.
Adjust RV2 for the
desired power
The power amplifiers are designed for use with the T150 series transmitters to
provide 50-150 watts output.
Output power regulation is provided by connecting the output of the directional
coupler to the ALC input of the T150. the drive from the transmitter is then
automatically adjusted to maintain the required output.
The regulated power level can be preset over a wide range from 25 to 150 watts
depending on the available driver power.
Sensing circuits are provided to protect the output transistors from excessive
temperatures. If the output transistor case temperature rises to 90 degrees C, the
input drive will be reduced to prevent damage.
4.2
Physical Configuration
The power amplifier is designed to fit in a 19 inch rack mounted frame. The
installed height is 4RU (178mm) and the depth is 350mm. The amplifier is
95.25mm or three Elcipse modules wide.
An extruded aluminium heat sink with vertical fins is used. The temperature rise
is normally less than 30 degrees at 50 watts output.
4.3
Front Indicators and Test Points
4.3.1 Indicators
Power ON - Green LED
RF Power Output - Yellow LED
Over Temperature - Red LED
RF Technology PA150
Page 7
5 ELECTRICAL SPECIFICATIONS
4.3.2 Test Points (DB9 Connector)
Forward Power
Reverse Power
Collector Current
Pin 8 + Gnd (pin 1)
Pin 4 + Gnd (pin 1)
Pin 6, Pin 2 + Vcc 13.2Vdc
5
Electrical Specifications
5.1
Power Requirements
Operating Voltage - 10.5 to 16 Vdc with output power reduced below 12.5 Vdc.
Current Drain @ 13.2 Vdc - 10 Amps Max at 50 watts. 100 mA Max standby
Polarity - Negative Ground
5.2
Frequency Range
Frequency
136-156MHz
154-174 MHz
5.3
50 Watt
PA150A
PA150B
100 Watt
PA150AH
PA150BH
Nominal Antenna Impedance
50O
5.4
Output Power
25 to 100 watts adjustable
5.5
Transmit Duty Cycle
With Free Air Circulation
50 Watts - 100% to 40 deg. C
100 Watts - 50% to 40 deg. C
With Fan Module
50-100 Watts - 100% to 50 deg. C
5.6
Spurious and Harmonics
Less than 0.25uW
RF Technology PA150
Page 8
Connectors
5.7
Maximum Heatsink Temperature
90 degrees C.
5.8
ALC Output
The ALC is intended for connection to the T150. It supplies a voltage which
decreases with increasing power or temperature.
5.9
Mis-Match Protection
The amplifier is protected from damage when operating into a VSWR of 10/1 at
all phase angles.
6
Connectors
6.1 Antenna Connector
Type N Female mounted on the module rear panel
6.2 Power and I/O Connector
25 pin “D” Male mounted on the rear panel
6.3 Test Connector
9 pin “D” Female mounted on the front panel.
RF Technology PA150
Page 9
RF Technology PA150
Page 10
A
B
C
D
1
1
RT 1
2-20W
I NPU T
OV ER T EMP.
90 DEG.C.
REF.
REG.
U1
+13.8 V dc
+
SPL I T T ER
C43-46,L 17,
L 18,R19
T EMP.
OV ER T EMP. DET ECT OR
Q5
75W AMPLIFIERS
Q4
* 150W V ERSI ONS
Q1
* 50-75W V ERSI ONS U SE SI NGL E AMPL I FER ( Q4 )
t
Q2
RV 2
POW ER
ADJU ST
+8.0 V .REF.
2
2
D2
+
COMB I NER
C47-50,L 19,
L 20,R20
R.F.DET .
AL C OU T
-
+
DI RECT I ONAL
COU PL ER
D1,D3
R.F.DET .
U 2C
FW D.PW R.
AL C AMP.
U 2D
REV .PW R.
3
3
+
Date:
File:
A4
Size
T itle
50-150W
OU T PU T
4
Number
B L OCK SI GNAL FL OW DI AGRAM
05/9118 R6
9-Oct-1998
Sheet 3of
D:\RFT _MasterFiles\..\9118-V H FPA-block.sch
Drawn B y:
R.F.T ECH NOL OGY PT Y . L T D.
10/8L eighton Place, H ORNSB Y , AU ST RAL I A
200 MH z L PF
C39-C42
L 12-L 16
SET
DET ECT
L EV EL
RV 1
+8.0 V .REF.
U 2B
U 2A
FW D. & REV .
DET ECT OR AMPS.
4
3
Revision
A
B
C
D
A
B
C
D
1
1
1
6
2
7
3
8
4
9
5
+13.8
1
14
2
15
3
16
4
17
5
18
6
19
7
20
8
21
9
22
10
23
11
24
12
25
13
0V
A.L .C.
+13.8
CONNE CT OR DB 25
P5
-
0V
I cA
I cB
RF.DE T .
OV E R T E MP.
FWD.PWR.
RE V .PWR.
+
CONNE CT OR DB 9
J6
PW R
D1
AL C
D2
L E D PCB A SSY 11/9106
+
100
R 41
-
2
T E MP
D3
2
+
-
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
J5
J3
J2
J1
P4
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
3
3
Date:
File:
3
Revision
OU T PU T
J2
N Type
I NPU T
J1
B NC
4
Sheet 3of 3
JB S after R H M
Drawn B y:
9118 (V H F A MPL I F I E R )
3-Aug-1998
D:\RFT _MasterFiles\..\9118-block.sch
Number
R F T E CH NOL OGY PT Y . L T D.
10/8L eighton PL ace, H OR NSB Y , 2077, A ustr alia
Orcad A
Size
T itle
P3
P2
P1
A MPL I F I E R PCB A SSY 11/9118
4
A
B
C
D
B PA150 PARTS LIST
Ref.
Description
Part Number
NOTE - ALL COMPONENTS FOR WHICH REF IS ACCOMPANIED
WITH AN ASTERIX (*) ARE USED ONLY IN HIGH POWER MODELS (PA150XH)
C1
C2
C3
C4
C5
C6
C7
C8
C14
C15
C16
C17
C18
C29*
C30*
C31*
C32*
C33*
C43*
C44*
C45*
C46*
C47*
C48*
C49*
C50*
C51
C52
C53
C54
C55
C56
C57
C58
C59
C60
C61
D1
D2
D3
L1
L2
L3
L4
L5
L6
L7*
L8*
CAP 10N 10% 50V X7R RAD.2
CAP 4N7 5% 400V MKT RAD.2
CAP 10U 35V RAD ELECTRO
CAP 10N 10% 50V X7R RAD.2
CAP 1N0 5% 63V NPO SM1206
CAP 1N0 5% 63V NPO SM1206
CAP 100N 10% 50V X7R RAD.2
CAP 10N 10% 50V X7R RAD.2
CAP 6.8U 20% 25V SOLID AL
CAP 100N 10% 50V X7R RAD.2
CAP 100N 10% 63V X7R 1206
CAP 1N0 500V MICA SM2220
CAP 1N0 500V MICA SM2220
CAP 6.8U 20% 25V SOLID AL
CAP 100N 10% 50V X7R RAD.2
CAP 100N 10% 63V X7R 1206
CAP 1N0 500V MICA SM2220
CAP 1N0 500V MICA SM2220
CAP 12P 500V MICA SM1210
CAP 12P 500V MICA SM1210
CAP 12P 500V MICA SM1210
CAP 12P 500V MICA SM1210
CAP 12P 500V MICA SM1210
CAP 12P 500V MICA SM1210
CAP 12P 500V MICA SM1210
CAP 12P 500V MICA SM1210
CAP 10P 5% 63V NPO SM 1206
CAP 10P 5% 63V NPO SM1206
CAP 1N0 5% 63V NPO SM1206
CAP 1N0 5% 63V NPO SM1206
CAP 1N0 5% 100V NPO RAD.2
CAP 1N0 5% 100V NPO RAD.2
CAP 1N0 5% 100V NPO RAD.2
CAP 1N0 5% 100V NPO RAD.2
CAP 1N0 5% 100V NPO RAD.2
CAP 1N0 5% 100V NPO RAD.2
CAP 1N0 5% 100V NPO RAD.2
DIODE SHTKY BAT17 SOT23
DIODE SILICON 1N4148
DIODE SHTKY BAT17 SOT23
IND 1U0 10% CHOKE SM1206
INDUCTOR 1UH AXIAL
FERRITE BEAD 3x4x1 4S2
COIL AIR COR 7T 1.5P 6.35ID
IND MOLDED 6.5 TURN
IND MOLDED 6.5 TURN
INDUCTOR 1UH AXIAL
FERRITE BEAD 3x4x14S2
RF Technology PA150
46/2001/010N
47/2040/04N7
41/2001/010U
46/2001/010N
46/3300/01N0
46/3300/01N0
46/2001/100N
46/2001/010N
41/2225/06U8
46/2001/100N
46/3310/100N
48/3003/01N0
48/3003/01N0
41/2225/06U8
46/2001/100N
46/3310/100N
48/3003/01N0
48/3003/01N0
48/3003/012P
48/3003/012P
48/3003/012P
48/3003/012P
48/3003/012P
48/3003/012P
48/3003/012P
48/3003/012P
46/3300/010P
46/3300/010P
46/3300/01N0
46/3300/01N0
46/2000/01N0
46/2000/01N0
46/2000/01N0
46/2000/01N0
46/2000/01N0
46/2000/01N0
46/2000/01N0
21/3030/0017
21/1010/4148
21/3030/0017
37/3320/01U0
37/2021/001U
37/1022/0001
37/1635/1507
37/2021/0006
37/2021/0006
37/2021/001U
37/1022/0001
Page 11
B PA150 PARTS LIST
Ref.
Description
Part Number
L9*
L10*
L11*
L12
L13
L14
L15
L16
L17
L18
L19*
L20*
P1
P3
P4
Q1
Q2
Q3
Q4
Q5*
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
R15
R16
R17
R18
R19*
R20*
R21
R22*
R23
R24
R25
R26
R27
R28
R29
R30
R31
COIL AIR CORE 7T 1.5P 6.35ID
IND MOLDED 6.5 TURN
IND MOLDED 6.5 TURN
COIL AIR CORE 2T 2P 6.35ID
COIL AIR CORE 2T 2P 6.35ID
COIL AIR CORE 3T 2P 6.35ID
COIL AIR CORE 3T 5P 6.35ID
COIL AIR CORE 3T 2P 6.35ID
INDUCTOR, MOULDED 7.5T
INDUCTOR, MOULDED 7.5T
COIL AIR CORE 6T 1.5P 4D
COIL AIR CORE 6T 1.5P 4D
6.35mm QC TAB VERT PCB MT
6.35mm QC TAB VERT PCB MT
CON 16WAY SHR'D HEADER
TRSTR GP PNP 2N3906 TO92
TRSTR GP NPN 2N3904 TO92
TRSTR GP NPN 2N3904 TO92
TRSTR NPN VHF RF MRF247
TRSTR NPN VHF RF MRF247
RES 220 5% 0.25W SM1206
RES 220 5% 0.25W SM1206
RES 220 5% 0.25W SM1206
RES 220 5% 0.25W SM1206
RES 47K 5% 0.25W AXIAL
RES 100K 5% 0.25W AXIAL
RES 1K0 5% 0.25W AXIAL
RES 47K 5% 0.25W AXIAL
RES 100K 5% 0.25W AXIAL
RES 1K0 5% 0.25W AXIAL
RES 100 5% 0.25W AXIAL
RES 1M0 5% 0.25W AXIAL
RES 100K 5% 0.25W AXIAL
RES 10K 5% 0.25W AXIAL
RES 10K 5% 0.25W AXIAL
RES 2K2 5% 0.25W AXIAL
RES 10K 5% 0.25W AXIAL
RES 10K 5% 0.25W AXIAL
RES 100 OHM 40W RF
RES 100 OHM 40W RF
RES 0.1 5% 10W ASW 10
RES 0.1 5% 10W ASW 10
RES 10K 5% 0.25W AXIAL
RES 270 5% 0.25W AXIAL
RES 270 5% 0.25W AXIAL
RES 680 5% 0.25W AXIAL
RES 10K 5% 0.25W AXIAL
RES 10K 5% 0.25W AXIAL
RES 10K 5% 0.25W AXIAL
RES 47K 5% 0.25W AXIAL
RES 33K 5% 0.25W AXIAL
37/1635/1507
37/2021/0006
37/2021/0006
37/1400/1002
37/1400/1002
37/1635/2003
37/1635/1503
37/1635/2003
37/2021/0007
37/2021/0007
37/1400/1006
37/1400/1006
35/0635/0001
35/0635/0001
35/2502/0016
27/2010/3906
27/2020/3904
27/2020/3904
27/3020/MRF247
27/3020/MRF247
51/3380/0220
51/3380/0220
51/3380/0220
51/3380/0220
51/1040/047K
51/1040/100K
51/1040/01K0
51/1040/047K
51/1040/100K
51/1040/01K0
51/1040/0100
51/1040/01M0
51/1040/100K
51/1040/010K
51/1040/010K
51/1040/2K2
51/1040/010K
51/1040/101K
51/RF40/0100
51/RF40/0100
51/0010/00R1
51/0010/00R1
51/1040/010K
51/1040/0270
51/1040/0270
51/1040/0680
51/1040/010K
51/1040/010K
51/1040/010K
51/1040/047K
51/1040/033K
RF Technology PA150
Page 12
B PA150 Parts List
Ref
Description
Part Number
R32
R34
R35
R36
R37
R38*
R39*
R40*
R41*
R42*
R43
R50(P2)
RT1
RV1
RV2
U1
U2
RES 33K 5% 0.25W AXIAL
RES 220 5% 2W AXIAL
RES 10 5% 0.25W AXIAL
RES 10 5% 0.25W AXIAL
RES 220 5% 2W AXIAL
RES 220 5% 2W AXIAL
RES 10 5% 0.25W AXIAL
RES 10 5% 0.25W AXIAL
RES 220 5% 2W AXIAL
RES 12R 5% 2W AXIAL
RES 12R 5% 2W AXIAL
RES 100 5% 0.25W AXIAL
THERMISTOR
TRIMPOT 10K 1 TURN VERT
TRIMPOT 10K 1 TURN VERT
IC VOLT REG 78L08 TO 92M
IC QUAD OP AMP TLC274
51/1040/033K
51/1052/0220
51/1040/0010
51/1040/0010
51/1052/0220
51/1052/0220
51/1040/0010
51/1040/0010
51/1052/0220
51/1052/0012
51/1052/0012
51/1040/0100
54/0400/0080
53/1020/010K
53/1020/010K
25/2040/78L08
25/2050/274C
PA150A 135-156 MHz Parts
These parts fitted to PA150A & AH
C9
C10
C12
C13
C19
C20
C21
C22
C23
C39
C40
C41
C42
CAP 160P 500V MICA SM1812
CAP 160P 500V MICA SM1812
CAP 120P 500V MICA SM1812
CAP 27P 500V MICA SM1210
CAP 68P 500V MICA SM1210
CAP 68P 500V MICA SM1210
CAP 510P 500V MICA SM1812
CAP 330P 500V MICA SM1812
CAP 270P 500V MICA SM1812
CAP 39P 500V MICA SM1210
CAP 39P 500V MICA SM1210
CAP 10P 500V MICA SM1210
CAP 12P 500V MICA SM1210
48/3003/160P
48/3003/160P
48/3003/120P
48/3003/027P
48/3003/068P
48/3003/068P
48/3003/510P
48/3003/330P
48/3003/270P
48/3003/039P
48/3003/039P
48/3003/010P
48/3003/012P
These additional parts used on PA150AH ONLY
C24*
C25*
C27*
C28*
C34*
C35*
C36*
C37*
C38*
CAP 160P 500V MICA SM1812
CAP 160P 500V MICA SM1812
CAP 120P 500V MICA SM1812
CAP 27P 500V MICA SM1210
CAP 68P 500V MICA SM1210
CAP 68P 500V MICA SM1210
CAP 510P 500V MICA SM1812
CAP 330P 500V MICA SM1812
CAP 270P 500V MICA SM1812
RF Technology PA150
48/3003/160P
48/3003/160P
48/3003/120P
48/3003/027P
48/3003/068P
48/3003/068P
48/3003/510P
48/3003/330P
48/3003/270P
Page 13
B PA150 Parts List
Ref
Description
Part Number
PA150B 154-174 MHz Parts
These parts fitted to PA150B & BH
C9
C10
C12
C13
C19
C20
C21
C22
C23
C39
C40
C41
C42
CAP 180P 500V MICA SM1812
CAP 180P 500V MICA SM1812
CAP 100P 500V MICA SM1812
CAP 20P 500V MICA SM1210
CAP 51P 500V MICA SM1210
CAP 51P 500V MICA SM1210
CAP 390P 500V MICA SM1812
CAP 220P 500V MICA SM1812
CAP 180P 500V MICA SM1812
CAP 27P 500V MICA SM1210
CAP 27P 500V MICA SM1210
CAP 8P 500V MICA SM1210
CAP 8P 500V MICA SM1210
48/3003/180P
48/3003/180P
48/3003/100P
48/3003/020P
48/3003/051P
48/3003/051P
48/3003/390P
48/3003/220P
48/3003/180P
48/3003/027P
48/3003/027P
48/3003/008P
48/3003/008P
These additional parts used on PA150BH ONLY
C11
C24*
C25*
C26
C27*
C28*
C34*
C35*
C36*
C37*
C38*
CAP 160P 500V MICA SM1812
CAP 180P 500V MICA SM1812
CAP 180P 500V MICA SM1812
CAP 160P 500V MICA SM1812
CAP 100P 500V MICA SM1812
CAP 20P 500V MICA SM1210
CAP 51P 500V MICA SM1210
CAP 51P 500V MCA SM1210
CAP 390P 500V MICA SM1812
CAP 220P 500V MICA SM1812
CAP 180P 500V MICA SM1812
48/3003/160P
48/3003/180P
48/3003/180P
48/3003/160P
48/3003/100P
48/3003/020P
48/3003/051P
48/3003/051P
48/3003/390P
48/3003/220P
48/3003/180P
End parts list
RF Technology PA150
Page 14
1
RV1
V+
2
GND
R24
R7
3
C62
R14
10K
1
3
L7
1U
D6
*1N4148
R40
10
R38
220
L10
R41
220
U3A
TLC274
L11
C35
*51P
C30
100N
C33
1N0
NOT USED IN 50/60 WATT VERSIONS
(SUFFIX -H DESIGNATION)
C37
*220P
J2
C44
12P
R19
100
L2
1U
C38
*180P
C24
*180P
C25
*180P
C26
0P
C27
*100P
R36
10
R37
220
L6
C20
*51P
C15
100N
C18
1N0
A
C48
12P
R43
12
C49
12P
R35
10
C14
6U8
C19
C34
* 136-154MHz
(SUFFIX -A MODELS)
0
L16
J1
25-120W
OUTPUT
L13
C39
27P
C41
8P
C17
C22
*220P
C23
*180P
C9
*180P
C10
*180P
68P
C20
C35
68P
C21
C36
510P
C22
C37
330P
C23
C38
270P
NF
(SUFFIX -AH MODELS)
R13
100K
C40
27P
C42
8P
LOW PASS FILTER
C11
0P
C12
*100P
B
C13
*20P
C9
C24
C10
C25
160P
160P
270P
NF
C12
C27
120P
C13
C28
27P
C39
C40
39P
C41
10P
C42
12P
C11
C26
R42
R43
NF
12
100P
NF
7
221
Add fan control circuit
6
211
AH model high-end low output power fix
Rev No.
ECO No.
Size:
File:
3
4
5
Description of Change
Title 120W AMPLIFIER, VHF 136-174 MHZ
A3
6
Sheet
Revision: 7
Number: 05/9118 R7
Print Date:20-Dec-2004
2
L15
L12
C16
100N
Rev. Release Date:
1
C
C50
12P
* VALUES ARE FOR 154 - 174 MHz (SUFFIX -B MODELS) C11/C26 MAY BE FITTED ON SOME MODELS
+13.8
DIRECTIONAL COUPLER
1N0
+13.8
DC LED
C47
12P
220
L1
1U
L14
Q4
MRF247
C21
*390P
TEMP. LED
IC B
IC A
RF DET.
OVER TEMP.
FWD.PWR.
REV.PWR.
R1
R2
+13.2A
P4
R26
680
10P
L20
+
L4
C19
*51P
RF LED
10P
C28
*20P
R34
220
L5
C46
12P
B
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
C51
220
L19
R20
100
C32
L3
L18
C45
12P
C52
R3
220
COMBINER
C29
6U8
1N0
R42
12
L17
C43
12P
D1
BAT17
R4
220
C31
100N
L9
170N
Q5
MRF247
C36
*390P
+
R39
10
C
SPLITTER
C54
1N0
D
L8
C34
*51P
1-25W
INPUT
0
D3
BAT17
+13.2B
10K
11
C63
1N0
1N0
10K
*1N4148
R46
C53
R23
R50
4
2
100K
C4
10N
D5
1N0
R44
10K
R6
FWD.PWR.
*10K
R47
100
E
47K
C55
1N0
270
FAN
Q6
R45
1K5
C2
4N7
1K
C60
1N0
RF LED
1N4002
3055
+8.0
Q3
2N3904
RF DET.
J3
R5
5
33K
U3C
TLC274
C56
1N0
6
7
1M
10K
C59
1N0
U2B
TLC274
R32
10
D4
D
9
8
+13.8
U4
LM61
U2C
TLC274
+8.0
R18
10K
Q2
3904
Vo
R12
R28
0
0
U3B
TLC274
C57
1N0
13
U3D
TLC274
F
47K
3
R31
33K
12
14
TEMP. LED
OVER TEMP.
7
6
C61
1N0
C58
1N0
8
9
R8
2
1
U2D
TLC274
R27
10K
D2
1N4148
C8
10N
0
5
t
Q1
2N3906
R25
270
R16
2K2
0
R17
10K
U2A
TLC274
0
R15
10K
R48
1K
E
C6
1N0
10
14
13
R11
R30
47K
+8.0
C64
1N0
+8.0
RV2
0
R49
10K
RT1
100
+8.0
12
1K
C1
10N
100
C7
100N
R33
P2
R29
10K
3
VO
+
C3
10U
IC A
VI
0
R21
0R1
1
+13.2A
0
P3
TP1
8
R9
100K
R10
REV.PWR.
7
0
C5
1N0
6
+8.0
LM78L08
U1
+13.8
IC B
P1
5
4
+13.2B
2
F
TP2
R22
0R1
4
11
TP3
+13.8
3
0
2
GND
1
Design
Revision:
Sheet 1
of
2
Originator:
A
RF Technology Pty Ltd
Unit 10, 8 Leighton Place
Hornsby, NSW 2077
Australia
D:\Protel Files\Master_EDA\9118_PAVHF_FAN\9118.ddb - Documents\9118R7V7.sch
7
8
100
+8.0
R49
10K
R16
2K2
0
R17
10K
5
R27
10K
D2
1N4148
RV1
OVER TEMP.
R28
U3B
TLC274
U2C
TLC274
+8.0
0
R18
10K
9
8
V+
Q2
3904
2
GND
Vo
Q3
2N3904
RF DET.
J3
R24
D4
R5
0
7
47K
C55
1N0
5
33K
C2
100N
R7
R6
FWD.PWR.
100K
C53
R14
10K
D
1N0
D3
BAT17
R47
100
D5
1N0
*1N4148
R46
1
3
C63
1N0
R38
**220
L7
1U
D6
*1N4148
R40
10
R41
**220
10K
11
R45
1K5
+13.2B
L10
2
U3A
TLC274
L11
**
C36
C34
C35
*51P *51P(not fit in BH) *390P
C30
**100N
C33
1N0
R39
10
C31
100N
L9
170N
Q5
MRF247
C37
*220P
C44
12P
R19
100
C47
12P
R20
100
C32
C26
***120P
C27
*120P
R37
**220
C46
12P
C20
*51P(not fit in BH)
220
220
L1
1U
C48
12P
DIRECTIONAL COUPLER
L6
**
C21
*390P
C
C50
12P
+13.2A
L14
C15
**100N
C18
1N0
+
R35
10
C14
6U8
Q4
MRF247
L15
L16
C39
27P
C41
8P
C17
J1
25-120W
OUTPUT
L13
L12
C16
100N
L4
C19
*51P
R2
C28
*22P
R34
**220
R36
10
B
R1
L20
C24 C25
*180P
*180P
C38
*180P(270P for BH model)
L5
L2
1U
R3
220
L19
L3
L18
C45
12P
10P
1N0
R42
12
L17
C43
12P
J2
C29
6U8
C49
12P
NOT USED IN 50/60 WATT VERSIONS
(SUFFIX -H DESIGNATION)
1-25W
INPUT
10P
R4
220
COMBINER
+
C
SPLITTER
C51
D
L8
4
R44
10K
C62
C52
10K
*10K
+8.0
D1
BAT17
1N0
R23
R50
3055
C54
C4
10N
270
3
E
FAN
Q6
0
C56
1N0
6
1K
C60
1N0
RF LED
1N4002
U2B
TLC274
R32
10
+13.8
U4
LM61
10K
C59
1N0
0
0
1
C61
1N0
C57
1N0
100K
6
t
12
R12
U3C
TLC274
R31
33K
14
13
U3D
TLC274
47K
3
C58
1N0
F
R8
2
1
U2D
TLC274
TEMP. LED
7
RT1
U2A
TLC274
8
9
C8
10N
0
R48
1K
E
Q1
2N3906
R25
270
13
R11
0
R15
10K
14
RV2
C6
1N0
10
+8.0
R30
47K
+8.0
C64
1N0
12
1K
C1
10N
100
C7
100N
R33
P2
R29
10K
3
VO
+
C3
10U
IC A
REV.PWR.
VI
+13.2A
R9
100K
R10
0
TP1
R21
0R1
P3
1
8
0
+8.0
LM78L08
U1
+13.8
7
4
C5
1N0
6
0
+13.2B
IC B
P1
5
2
F
TP2
R22
0R1
4
11
TP3
+13.8
3
0
2
GND
1
R13
100K
C40
27P
C42
8P
LOW PASS FILTER
B
1N0
P4
A
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
+13.8
R43
12
TEMP. LED
RF LED
DC LED
C22
*220P
R26
680
C9
C10
C11
*180P
*180P ***120P
C23
*180P(270P fo BH model)
C12
*120P
C13
*22P
* VALUES ARE FOR 154 - 174 MHz (SUFFIX -B MODELS)
IC B
IC A
RF DET.
OVER TEMP.
FWD.PWR.
REV.PWR.
C19
C34
136-154MHz
(SUFFIX -A MODELS)
+13.8
(SUFFIX -AH MODELS)
68P
C20
C35
68P
C21
C36
C22
C37
C23
C38
510P
330P
270P
NF
C9
C24
C10
C25
160P
160P
270P
NF
C12
C27
120P
C13
C28
27P
C39
C40
C41
39P
10P
C42
12P
C11
C26
R42
R43
NF
12
100P
NF
9
260
reduce ALC loop gain: R12 to 100K, C2to 100N
8
241
mismatch fix for new pcb
7
221
Add fan control circuit
6
211
AH model high-end low output power fix
Rev No.
Size:
3
4
A3
5
6
Sheet
Revision: 8
Number: 05/9118 R7
Rev. Release Date:
File:
2
Description of Change
Title 120W AMPLIFIER, VHF 136-174 MHZ
Print Date:21-Feb-2006
** THESE 8 COMPONENTS ARE NOT FITTED ON PA150BH (100W) MODELS
*** C11/C26 ARE NOT FITTED ON 50W MODELS
1
ECO No.
Design
Revision:
Sheet 1
of
2
Originator:
A
RF Technology Pty Ltd
Unit 10, 8 Leighton Place
Hornsby, NSW 2077
Australia
D:\Protel Files\Master_EDA\9118_PAVHF_FAN\9118.ddb - Documents\9118R7V9.sch
7
8