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 3 of 148
3.5.3. UHF BDA Unit (80-301404) Specification ........................................................................ 44
3.5.4. UHF BDA Unit (80-301404) Photographs ........................................................................ 45
3.5.4.1. Front View.................................................................................................................. 45
3.5.4.2. Underside view showing connectors ......................................................................... 46
3.5.4.3. Interior view ...............................................................................................................47
3.5.5. UHF BDA Unit (80-301404) Major Sub-components ....................................................... 48
3.5.5.1. 30dB Directional Coupler (07-002908) ...................................................................... 48
3.5.5.2. Switched Attenuator 0.25Watt, 0 - 30dB (10-000701) ............................................... 48
3.5.5.3. Low Noise Amplifier (11-005401) .............................................................................. 49
3.5.5.4. TETRA Power Amplifier 20W (12-016301) ................................................................ 50
3.5.5.5. TETRA Power Amplifier 5W (12-021601) .................................................................. 51
3.5.5.6. Low Power Amplifier (12-021801).............................................................................. 52
3.5.5.7. DC/DC Converter, 24V in, 12V 8A out (13-003011) .................................................. 53
3.5.5.8. Automatic Gain Control.............................................................................................. 53
3.5.5.9. 24V Relay Dual Assembly (20-001602)..................................................................... 54
3.5.5.10. 24V Relay Assembly (80-008909) ........................................................................... 54
3.5.5.11. Dual Diode Assembly (94-100004) .......................................................................... 55
3.6. 800MHz BDA UNIT (80-301405) ............................................................................................ 56
3.6.1. 800MHz BDA UNIT (80-301405) System Diagram .......................................................... 57
3.6.2. 800MHz BDA UNIT (80-301405) Outline Drawing ........................................................... 58
3.6.3. 800MHz BDA UNIT (80-301405) Specification ................................................................ 59
3.6.4. 800MHz BDA UNIT (80-301405) Photographs ................................................................ 60
3.6.4.1. Front View.................................................................................................................. 60
3.6.4.2. Underside view showing connectors ......................................................................... 60
3.6.4.3. Interior view ...............................................................................................................61
3.6.5. 800MHz BDA UNIT (80-301405) Major Sub-components................................................ 62
3.6.5.1. Bandpass Filter (02-011601) ..................................................................................... 62
3.6.5.2. Splitter/Combiner (05-002602) .................................................................................. 63
3.6.5.3. 30dB Directional Coupler (07-002907) ...................................................................... 63
3.6.5.4. Switched Attenuator 0.25Watt, 0 - 30dB (10-000701) ............................................... 64
3.6.5.5. Low Noise Amplifier (11-005902) .............................................................................. 64
3.6.5.6. 5W Power Amplifier (12-018601)............................................................................... 65
3.6.5.7. 20W Power Amplifier (12-020501)............................................................................. 66
3.6.5.8. Automatic Gain Control.............................................................................................. 67
3.6.5.9. 24V Relay Dual Assembly (20-001602)..................................................................... 67
3.6.5.10. Dual Diode Assembly (94-100004) .......................................................................... 68
3.6.5.11. DC/DC Converter, 24V in, 12V 5A out (96-200024) ................................................ 68
4. IN-LINE BDA RACK MOUNT 80-301406................................................................................... 69
4.1. In-Line BDA Rack Mount System Diagrams ........................................................................... 71
4.1.1. Overall System Diagram....................................................................................................... 71
4.1.2. Combiners System Diagram.................................................................................................72
4.2. In-Line BDA Rack Mount 80-301406 Specification................................................................. 73
4.3. In-Line BDA Rack Mount 80-301406 Illustrations................................................................... 74
4.3.1. Rack 1 Front View ................................................................................................................ 74
4.3.2. Rack 1 Rear View............................................................................................................. 75
4.3.3. Rack 2 Front View ............................................................................................................ 76
4.3.4. Rack 2 Rear View............................................................................................................. 77
4.3.5. Rack 1 Top View .............................................................................................................. 78
4.3.6. Rack 2 Top View .............................................................................................................. 79
4.4. In-Line BDA Rack Mount 80-301401 List of Major Components ............................................ 80
4.5. Downlink Input Shelf 80-301407............................................................................................. 81
4.5.1. Downlink Input Shelf 80-301407 System Schematic............................................................ 81
4.5.2. Downlink Input Shelf 80-301407 Outline Drawing................................................................ 82
4.5.3. Downlink Input Shelf 80-301407 Specification ................................................................. 83
4.5.4. Downlink Input Shelf 80-301407 Illustrations ................................................................... 83
4.5.4.1. Rear View .................................................................................................................. 83
4.5.5. Downlink Input Shelf 80-301407 Major Sub Components.................................................... 84
4.5.5.1. Bandpass Filter (02-010701) ..................................................................................... 84
4.5.5.2. Bandpass Filter 02-010901........................................................................................ 84