User Manual
Table Of Contents
- 1. INTRODUCTION
- 1.1. Scope and Purpose of Document
- 1.2. Limitation of Liability Notice
- 2. SAFETY CONSIDERATIONS
- 3. EQUIPMENT OVERVIEW
- 4. UHF BANDSELECTIVE, BDA (55-199102) SUB MODULES
- 4.1. Bandpass Filter (02-010701)
- 4.2. 3dB Splitter/Combiner (05-002603)
- 4.3. Remote Attenuator Switch Assembly (‘10-001725’)
- 4.4. 5 Watt Tetra Amplifier (12-021601)
- 4.5. Linearised Power Amplifier (12-026901)
- _
- 4.6. Voltage Regulator Board 9.0V (13-001714)
- 4.7. DC/DC Converter, 24V in, 12V 8A out (13-003011)
- 4.8. Bi-Directional Amplifier (17-017301)
- 4.9. 12V (Single) Relay Board (80-008901)
- 4.10. 24V Switch-Mode PSU (96-300054)
- 5. INSTALLATION & COMMISIONING
- 6. FAULT FINDING / MAINTENANCE
- 6.1. Tools & Test Equipment
- 6.2. Basic Fault Finding
- 6.3. Quick Fault Checklist
- 6.4. Downlink
- 6.5. Uplink
- 6.6. Fault repair
- 6.7. Service Support
- 6.8. Care of Modules
- 6.9. Module Removal (LNAs, general procedure):
- 6.10. Module Replacement (general):
- 6.11. Power Amplifiers
- 6.12. Low Power Amplifier Replacement
- 6.13. Module Transportation:
- APPENDIX A
- _
- _
- APPENDIX B
UHF Bandselective BDA
90dB 40/5W
Document Number 55-199102HBKM Issue No. 1 Page 7 of 28
3.1. UHF Bandselective, BDA (55-199102) List of major sub modules
Component
Part
Component Part Description Qty Per
Assembly
02-010701 Bandpass FIlter 6
05-002603 3dB Splitter/Combiner 2
10-001725 Remote Attenuator Switch Assembly 2
12-021601 5 Watt Tetra Amplifier 1
12-026901 Linearised Power Amplifier 2
13-001714 Voltage Regulator 2
13-003011 DC/DC Converter 1
17-017301 Bi-Directional Amplifier 1
80-008901 12V (Single) Relay Board 1
96-300054 24V Switch-Mode PSU 1
3.2. UHF Bandselective, BDA (55-199102) Specification.
Parameter Specification
Uplink 415 - 418MHz
Passband
Downlink 406 - 409MHz
Passband gain 90dB
Uplink 5 Watt
Power Amplifier
Downlink 40 Watt
Passband Ripple <±1.5 dB
I/P Return Loss > 14dB
Uplink +35dB
1dB Compression
Downlink +45dB
Uplink +48dBm OIP3
Downlink +62dBm
Noise Figure <4dB (max.gain)
In Band Spurious Noise
30kHz Bandwidth
< -13 dBm
(at 90dB gain)
Uplink ALC Setting 1dB below 1dB Comp.
Switched Attenuator (U/L & D/L) 2 dB steps 2-30dB (± 1dB)
Power Supply Current Rating 400W , 17A @ 24VD.C.
Alarm Output Type Local Alarms
AC Supply Voltage 110V AC
RF Connectors N type female
operation: -20°C to +60°C
Temperature
range:
storage: -40°C to +70°
Case Size
(excludes h/sinks handles etc.)
620x420x250 mm