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:-
2 of 69
Table of Contents
AMENDMENT LIST RECORD SHEET ................................................................................................. 5
INTRODUCTION ....................................................................................................................................... 6
Scope...........................................................................................................................................................................6
Purpose.......................................................................................................................................................................6
Glossary of Terms .....................................................................................................................................................7
Key to AFL RF Module Drawing Symbols.............................................................................................................8
1. SAFETY CONSIDERATIONS ....................................................................................................... 9
1.1 Earthing of Equipment................................................................................................................................9
1.2 Electric Shock Hazard .................................................................................................................................9
1.3 RF Radiation Hazard...................................................................................................................................9
1.4 Chemical Hazard........................................................................................................................................10
1.5 Emergency Contact Numbers ...................................................................................................................10
2. OVERVIEW/SYSTEM DESCRIPTION .....................................................................................11
3. SPECIFICATION ..........................................................................................................................12
3.1 9 Channel Channelised Cell Enhancer 50-025301 Parts Lists ...............................................................12
3.1.1 VTA-Downlink Duplexer Shelf 50-025302 Parts List ............................................................................12
3.1.2 VTA Downlink Amplifier Shelf 50-025303 Parts List............................................................................13
3.1.3 VTA Downlink Channel Shelf 50-025304 Parts List ..............................................................................14
3.1.4 VTA Uplink Duplexer Shelf 50-025305 Parts List..................................................................................14
3.1.5 VTA Uplink Amplifier Shelf 50-025306 Parts List.................................................................................15
3.2 Technical Specification ..............................................................................................................................16
3.3 Mechanical Specification ...........................................................................................................................17
4. SYSTEM DRAWINGS .................................................................................................................. 18
4.1 Drg. Nō. 50-025381, Channelised CE System Diagram ..........................................................................18
5. SUB-UNIT MODULES .................................................................................................................. 19
5.1 VTA Downlink Duplexer Shelf 60-025302 (4U chassis)..........................................................................19
5.1.1 Bandpass Filters (02-011204 & 02-013401)............................................................................................19
5.1.1.1 Description.......................................................................................................................................19
5.1.1.2 Technical Specification (02-011204) ...............................................................................................19
5.1.1.3 Technical Specification (02-013401) ...............................................................................................19
5.2 VTA Downlink Amplifier Shelf (50-025303, 8U Chassis).......................................................................20
5.2.1 UHF 3dB Splitter (05-002603) ................................................................................................................20
5.2.1.1 Description.......................................................................................................................................20
5.2.1.2 Technical Specification ....................................................................................................................20
5.2.2 ¼Watt 0- -30dB Switched Attenuator (10-000701).................................................................................20
5.2.2.1 General Application .........................................................................................................................20
5.2.2.2 Switched Attenuators........................................................................................................................20
5.2.3 Low Noise Amplifier (11-006102) ..........................................................................................................21
5.2.3.1 Description.......................................................................................................................................21
5.2.3.2 Technical Specification ....................................................................................................................21
5.2.3.3 Drg. Nō. 11-006170, LNA Circuit Diagram (RF)............................................................................22
5.2.3.4 Drg. Nō. 11-006171, LNA Schematic Diagram (DC) ......................................................................23
5.2.4 Low Noise Amplifiers (11-007302 & 11-007402) ..................................................................................24
5.2.4.1 Description.......................................................................................................................................24
5.2.4.2 Technical Specification, (11-007302) ..............................................................................................24
5.2.4.3 Technical Specification (11-007402) ...............................................................................................24
5.2.4.4 Drg. Nō. 11-007302, LNA Assembly With Alarm Relay ..................................................................25
5.2.4.5 Drg. Nō. 11-007370, LNA RF Circuit Diagram...............................................................................26
5.2.4.6 Drg. Nō. 11-007371, LNA DC Wiring Diagram ..............................................................................27
5.2.5.7 Drg. Nō. 11-003971, LNA DC Circuit Diagram..............................................................................28
5.2.6 3 Stage Amplifier Alarm Boards (12-002201).........................................................................................29
5.2.6.1 Description.......................................................................................................................................29