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:-
26 of 69
5.2.4.5 Drg. N. 11-007370, LNA RF Circuit Diagram
BYDAT EDES CRIPT IO NNo
ISSUE
12
3
4
5
6
7
89
A
B
C
D
E
1 23456789
A
B
C
D
E
F
Fax : 01494 777002
Tel : 01494 777000
Aerial Facilities Limited
THIS IS A PROPRIETARY DESIGN OF AERIAL FACIL ITIES L TD.
REP RO DUCT IO N O R USE O F THIS DESIG N BY O THERS IS
PERMISSIBLE O NL Y IF EXPRESSLY AUTHORISED IN WRITING
BY AERIAL FACIL ITIES L TD.
NO DECIM AL PL ACE ± 1 mm
ONE DECIMAL PL ACE ± 0.3mm
TWO DECIMAL PL ACES ± 0.1mm
AL L DIMENSIO NS ARE IN m m
UNL ESS OTHERWISE STATED
CHKD
DRAWN
F
APPD
DAT E
TO L ERANCES
SCALE
England
CUST O MER DRAWING .No
TITLE
3
A
LOW NOISE AMPLIFIER 380-500MHz
(20dB) RF PCB CIRCUIT DIAGRAM
11-007370
1A
-
DBS
5/7/02
CLY2
TR 2
RF INPUT
R1
51R
11303- 3
CPL1
1nF
C3
Ø1.6x6 turns
L2
3. 3pF
C7
L4
330nH
R3
100R 10K
R6
1nF
C6
1nF
C1
C4
3. 3pF
Ø1.6x6 turns
L1
330nH
L3
100R
R2 R5
10K
J31
C5
1nF
TR 1
CLY2
560R
R7
100nH
L6
C10
1nF
C9
1nF
R4
560R
100nH
L5
1nF
C13
1nF
C12
51R
R8
11303- 3
CPL2
R9
R11
0R 0
R10
0R 0
W1
W5
0R 0
RF OUTPUT
0R 0
W6
0R 0
R19
HEADER PIN
HEADER PIN
J32
HEADER PIN
J12
HEADER PIN
J11
PRODUCTION ISSUE
5/7/02
DBS
0R 0
W2
0R 0
W7
ATTENUATOR GROUP
(Select values on Test)
D
G S
D
GS
ECN2718 DBS
19/9/02
2A
CB IB