User Manual
Table Of Contents
- AMENDMENT LIST RECORD SHEET
- INTRODUCTION
- 1.SAFETY CONSIDERATIONS
- 2.OVERVIEW/SYSTEM DESCRIPTION
- 3.SPECIFICATION
- 4.SYSTEM DRAWINGS
- 5.SUB-UNIT MODULES
- 5.1VTA Downlink Duplexer Shelf 60-025302 (4U chassis)
- 5.2VTA Downlink Amplifier Shelf (50-025303, 8U Chassis)
- 5.2.1UHF 3dB Splitter (05-002603)
- 5.2.2¼Watt 0- -30dB Switched Attenuator \(10-00
- 5.2.3Low Noise Amplifier (11-006102)
- 5.2.4Low Noise Amplifiers (11-007302 & 11-007402)
- 5.2.4.1Description
- 5.2.4.2Technical Specification, (11-007302)
- 5.2.4.3Technical Specification (11-007402)
- 5.2.4.4Drg. No. 11-007302, LNA Assembly With Alarm Relay
- 5.2.4.5Drg. No. 11-007370, LNA RF Circuit Diagram
- 5.2.4.6Drg. No. 11-007371, LNA DC Wiring Diagram
- 5.2.5.7Drg. No. 11-003971, LNA DC Circuit Diagram
- 5.2.63 Stage Amplifier Alarm Boards (12-002201)
- 5.2.7450MHz 20W Power Amplifier (12-004201)
- 5.2.8Single DC/DC Converter (13-001702)
- 5.2.924V Single Relay Board (80-008902)
- 5.2.1024V 410W Power Supply (96-300054)
- 5.3VTA Downlink Channel Shelf (50-025304)
- 5.4VTA Uplink Duplexer Shelf (50-025305, 4U Chassis)
- 5.5VTA Uplink Amplifier Shelf (50-025306, 8U Chassis)
- 5.5.120Watt Class A Power Amplifier (12-016301)
- 5.5.2Automatic Gain Control (17-001101, Det. & 17-001201, Atten.)
- 5.5.2.1Description
- 5.5.2.2Technical Specification
- 5.5.2.3Drg. No. 17-001101, ACG Detector Assembly
- 5.5.2.4Drg. No. 17-001171, AGC Detector Circuit Diagram
- 5.5.2.5Drg. No. 17-001171C, AGC Detector Parts List
- 5.5.2.6Drg. No. 17-001201, AGC Attenuator Assembly Drawing
- 5.5.2.7Drg. No. 17-001270, AGC Attenuator Circuit Diagram
- 5.5.2.8Drg. No. 17-001270C, AGC Attenuator Parts List
- 6.INSTALLATION
- 7.MAINTENANCE
- APPENDIX AINITIAL EQUIPMENT SET-UP CALCULATIONS
9 Way Channelised UHF Cell Enhancer
Maintenance Handbook
H/book Number:-50-025301HBKM
Issue No:-
1
Date:-04/07/2003
Page:-
54 of 69
5.5.1.3 Drg. N. 12-016370, 20W PA Circuit Diagram
POWER AMPLIFIER,380-470MHz,20W,CLASS A,
CIRCUIT DIAGRAM
12-016370
DJL 06/08/02
R26
R9
R32
R3
R2
R1
C1
C2
R4R5
R13
R15
R16
R14
R11R12 R10
C16
R33
C17
R28R29 R27
R30
R31
R40
R6
C3
C5 C6 C7
R22R20R19 R21
R8
R7
C9C10
C13 C12
C18
R25
R24
R23
C24C25
R41
C8
C23
C22C20 C21
R39R38R37R36
C28 C27
R42
R46
R65
C36
R67
C35
R55R44
R59
R56
TR 1 2
R48R53
R54
R69
R76
R68
R47
R64
R58
R57
R66
R50 R49
TR 8
RL1
1
TR 11
R74
R73
TR 7
C34
R61 R60
TR 10
R43
R62
R45
DATEDESCRIPTIONNo
ISSUE
THIRD ANGL E PRO JECTION
123456789101112
A
B
C
D
E
F
G
H
123456789101112
A
B
C
D
E
F
G
H
PERMISSIBLE ONLY IF EXPRESSLY AUTHORISED IN WRITING
RE PRODUCTI ON OR US E OF THIS DE S IGN BY OTHE RS IS
THIS IS A PROPRIETARY DESIGN OF AERIAL FACILITIES LTD.
UNLESS OTHERWISE STATED
ALL DIMENSIONS ARE IN mm
DATEDRAWN
CHKD APPD
TWO DECIMAL PLACES ± 0.1mm
NO DECIMAL PLACE ± 1mm
ONE DECIMAL PLACE ± 0.3mm
BY AERIAL FACILITIES LTD.
TOLERANCES SCALE
CUSTOME R DRAWING No
Fax : 01494 777002
Tel : 01494 777000
Aerial Facilities Limited
England
TI TLE
2
A
RF INPUT
SAT
0R 0
SAT
15p
4. 7p
CPL1
100R100R
+24V
3K 3
ZD 1
5. 1v
0R 0
1K 8
330R
6K 8 6K 8 6K 8
TR 2
FZT6 5 1
15p
3K 3
4. 7p
6K 8 6K 86K 8
CON 1
CON 1
+
A2
100u
A1
+24 V
C15
ZD 2
5. 1v
0R 0
1K 8
330R
TR 5
FZT6 5 1
27R
G S
D
MRF9045
18p
TR 1
470p
10p 7. 5p 2. 2p
G S
D
MRF9045
100u
C11
FZT7 5 1
6K 8
680R
+
270R
TR 3
2R 2 2R 2 1R 5
1n 100p
+
100u
C14
1R 5
100p 47p
C26
100u
18p
6K 8
680R
+
270R
TR 4
1n 100p
27R
1K
CPL2
470p
10p 7.5p 2.2p
50R
RF OUTPUT
FZT7 5 1
TR 6
2R 2 2R 2 1R 5
+
C29
100u
1R 5
100p 47p
1K
HY45B
HY45B
MI IB
AA PROTOTYPE ISSUE 6/8/02 DJL
0R 0
ZD 3
+
1. 23V
1u
470R
13
LM 324M
12
100K
100K
14
IC1:D
11
82K
+
-
4
82K
BCW71
4K 7 4 K 7
270K
LM 324M
IC1:B
8K 2
3K 6
6
-
5
+
LL4148
7
D2
LM 324M
1K
100n
10K
10K
LL4148
D3
1K
1K 8
2
3
IC1:A
-
LM 324M
+
1
270K
IC1:C
+
9
-
10
LL4148
8
D1
4K 7
oc good/ 0v bad
TTL al ar m
bad
good
BCW71
2K 4 560R
4K 7
BCW71
common
CON 1
10K
3V 3
1
5
2
CON 1
CON 1
3CON 1
FZT751
+
LE D 1 R63
150R
1U
3K
BCW71BCW71
TR 9
1K
ZD 4
2K 2
RL1/1
22K
4CON 1
1 A PRO DUCT IO N ISSUE( ECN2 7 3 7 )
17/ 10/ 02
DJL
0R 0
2A
ECN2882
28/4/03
DJL