User Manual

5-Way Channelised UHF Cell Enhancer
Maintenance Handbook
H/book Number:-50-060601HBKM
Issue No:-
1
Date:-04/07/2003
Page:-
2 of 54
Table of Contents
AMENDMENT LIST RECORD SHEET ................................................................................................. 4
INTRODUCTION ....................................................................................................................................... 5
Scope...........................................................................................................................................................................5
Purpose.......................................................................................................................................................................5
Glossary of Terms .....................................................................................................................................................6
Key to AFL RF Module Drawing Symbols.............................................................................................................7
1. SAFETY CONSIDERATIONS ....................................................................................................... 8
1.1 Earthing of Equipment................................................................................................................................8
1.2 Electric Shock Hazard .................................................................................................................................8
1.3 RF Radiation Hazard...................................................................................................................................8
1.4 Chemical Hazard..........................................................................................................................................9
1.5 Emergency Contact Numbers .....................................................................................................................9
2. OVERVIEW/SYSTEM DESCRIPTION .....................................................................................10
3. SPECIFICATION ..........................................................................................................................11
3.1 5 Channel Channelised Cell Enhancer 50-060601 Parts Lists ...............................................................11
3.1.1 Downlink Channelised CE 50-060602 Parts List.....................................................................................11
3.1.2 Uplink Channelised CE 50-060603 Parts List .........................................................................................12
3.1.3 Power Supply Shelf 50-060604 Parts List ...............................................................................................13
3.2 Technical Specification ..............................................................................................................................14
3.3 Mechanical Specification ...........................................................................................................................15
4. SYSTEM DRAWINGS ..................................................................................................................16
4.1 Drg. Nō. 50-060682, Downlink Amplifier Shelf System Diagram..........................................................16
4.2 Drg. Nō. 50-060683, Uplink Amplifier Shelf System Diagram...............................................................17
4.3 Drg. Nō. 50-060684, Power Supply Shelf System Diagram ....................................................................18
5. SUB-UNIT MODULES..................................................................................................................19
5.1 Downlink Channelised Cell Enhancer 60-060602 (5U chassis) ..............................................................19
5.1.1 Bandpass Filters (02-010701) ..................................................................................................................19
5.1.1.1 Description.......................................................................................................................................19
5.1.1.2 Technical Specification ....................................................................................................................19
5.1.2 UHF 3dB Splitter (05-002603) ................................................................................................................20
5.1.2.1 Description.......................................................................................................................................20
5.1.2.2 Technical Specification ....................................................................................................................20
5.1.3 3dB UHF Splitter (05-002603) ................................................................................................................21
5.1.3.1 Description.......................................................................................................................................21
5.1.3.2 Technical Specification ....................................................................................................................21
5.1.4 ¼Watt 0- -30dB Switched Attenuator (10-000701).................................................................................21
5.1.4.1 General Application .........................................................................................................................21
5.1.4.2 Switched Attenuators........................................................................................................................21
5.1.5 Low Noise Amplifiers (11-007302 & 11-007402) ..................................................................................22
5.1.5.1 Description.......................................................................................................................................22
5.1.5.2 Technical Specification, (11-007302) ..............................................................................................22
5.1.5.3 Technical Specification (11-007402) ...............................................................................................22
5.1.5.3 Drg. Nō. 11-007302, LNA Assembly With Alarm Relay ..................................................................23
5.1.5.4 Drg. Nō. 11-007370, LNA RF Circuit Diagram...............................................................................24
5.1.5.5 Drg. Nō. 11-007371, LNA DC Wiring Diagram ..............................................................................25
5.1.5.6 Drg. Nō. 11-003971, LNA DC Circuit Diagram..............................................................................26
5.1.6 10Watt Power Amplifier (12-001901) .....................................................................................................27
5.1.6.1 Description.......................................................................................................................................27
5.1.6.2 Technical Specification ....................................................................................................................27
5.1.6.3 Drg. Nō. 12-001901, 10W PA PCB Sub-Assembly ..........................................................................28
5.1.6.4 Drg. Nō. 12-001970, 10W PA Circuit Diagram ..............................................................................29