User Manual
Axell Wireless Limited
Technical Literature
L.A. M.T.A. Remote Sites
Document Number 80-301401HBKM Issue No. 1 Date 13/06/2008 Page 4 of 148
4.5.5.3. Crossband Splitter/Coupler 550/800MHz (07-004815).............................................. 85
4.5.5.4. Crossband Splitter/Coupler VHF/UHF (07-005754)................................................... 85
4.5.5.5. 30dB Bi-Directional Coupler (07-022005).................................................................. 86
4.6. Downlink Output Shelf 80-301408 .......................................................................................... 87
4.6.1. Downlink Output Shelf 80-301408 System Schematic ........................................................ 87
4.6.2. Downlink Output Shelf 80-301408 Outline Drawing ............................................................ 88
4.6.3. Downlink Output Shelf 80-301408 Specification .............................................................. 89
4.6.4. Downlink Output Shelf 80-301408 Illustrations ................................................................ 89
4.6.4.1. Rear View .................................................................................................................. 89
4.6.5. Downlink Output Shelf 80-301408 Major Sub Components............................................. 90
4.6.5.1. 30dB Directional Coupler (07-018005) ...................................................................... 90
4.7. Uplink Input Shelf 80-301407..................................................................................................91
4.7.1. Uplink Input Shelf 80-301407 System Schematic ............................................................ 91
4.7.2. Uplink Input Shelf 80-301407 Outline Drawing ................................................................ 92
4.7.3. Uplink Input Shelf 80-301407 Specification...................................................................... 92
4.7.4. Uplink Input Shelf 80-301407 Illustrations........................................................................ 92
4.7.4.1. Rear View .................................................................................................................. 92
4.7.5. Uplink Input Shelf 80-301407 Major Sub Components .................................................... 93
4.8. Uplink Output Shelf 80-301407...............................................................................................94
4.8.1. Uplink Output Shelf 80-301407 System Schematic ......................................................... 94
4.8.2. Uplink Output Shelf 80-301407 Outline Drawing.............................................................. 95
4.8.3. Uplink Output Shelf 80-301407 Specification................................................................... 95
4.8.4. Uplink Output Shelf 80-301407 Illustrations ..................................................................... 95
4.8.4.1. Rear View .................................................................................................................. 95
4.8.5. Uplink Output Shelf 80-301407 Major Sub Components ................................................. 96
4.9. VHF Amplifier Shelf 80-301409 .............................................................................................. 97
4.9.1. VHF Amplifier Shelf 80-301409 System Diagram ............................................................ 98
4.9.2. VHF Amplifier Shelf 80-301409 Outline Drawing ............................................................. 99
4.9.3. VHF Amplifier Shelf 80-301409 Specification ................................................................ 100
4.9.4. VHF Amplifier Shelf 80-301409 Illustrations................................................................... 100
4.9.4.1. Front View................................................................................................................ 100
4.9.4.2. Rear View ................................................................................................................ 101
4.9.5. VHF Amplifier Shelf 80-301409 Major Sub Components ............................................... 101
4.9.5.1. Bandpass Filter (01-002503) ................................................................................... 102
4.9.5.2. Switched Attenuator 0.25Watt, 0 - 30dB (10-000701) ............................................. 102
4.9.5.3. VHF Power Amplifier 5W (12-025602)..................................................................... 103
4.9.5.4. Automatic Gain Control............................................................................................ 104
4.9.5.5. 24V Relay Dual Assembly (20-001602)................................................................... 105
4.9.5.6. Dual Diode Assembly (94-100004).......................................................................... 105
4.10. UHF Lowband Amplifier Shelf 80-301410 ......................................................................... 106
4.10.1. UHF Lowband Amplifier Shelf 80-301410 System Diagram ....................................... 107
4.10.2. UHF Lowband Amplifier Shelf 80-301410 Outline Drawing ........................................ 108
4.10.3. UHF Lowband Amplifier Shelf 80-301410 Specification ............................................. 109
4.10.4. UHF Lowband Amplifier Shelf 80-301410 Illustrations................................................ 109
4.10.4.1. Front View .............................................................................................................. 109
4.10.4.2. Rear View............................................................................................................... 110
4.10.5. UHF Lowband Amplifier Shelf 80-301410 Major Sub Components ............................ 110
4.10.5.1. 30dB Directional Coupler (07-002908)................................................................... 111
4.10.5.2. Switched Attenuator 0.25Watt, 0 - 30dB (10-000701) ........................................... 111
4.10.5.3. Low Noise Amplifier (11-005401)........................................................................... 112
4.10.5.4. TETRA Power Amplifier 20W (12-016301) ............................................................ 113
4.10.5.5. TETRA Power Amplifier 5W (12-021601) .............................................................. 114
3.10.5.6. Low Power Amplifier (1Watt) (12-021801) ............................................................. 115
4.10.5.7. Automatic Gain Control .......................................................................................... 116
4.10.5.8. 24V Relay Dual Assembly (20-001602) ................................................................. 117
4.10.5.9. 12V Relay Assembly 80-008909............................................................................ 117
4.10.5.10. Dual Diode Assembly (94-100004) ...................................................................... 118
4.10.5.11. DC/DC Converter, 24V in, 12V 5A out (96-200024) ............................................ 118
4.11. UHF Midband Amplifier Shelf 80-301410 .......................................................................... 119