User's Manual
Handbook Title:-BDA
User Handbook
Handbook No. 60-137705HBK Page: 6 of 20
3. EQUIPMENT OVERVIEW
The BDA system comprises two standard 19” rack mounted shelves:-
60-173705 (PSU & RF Amplifiers BDA shelf)
80-245102 (Stand-alone Amplifier shelf)
3.1 Technical Specification (whole system)
PARAMETER SPECIFICATION
Downlink frequency range: 408–411MHz
Uplink frequency range: 417-420MHz
Gain: 60dB
Passband ripple: ±1.5dB
Attenuation: 0-30dB
Downlink OIP3: +65dBm
Uplink OIP3: +40dBm
Base 4 Carriers -10dBm (antenna output)
RF levels (BDA shelf):
Mobile: 4 Carriers +37dBm (antenna output)
30A max.@ 24V DC
Power supply consumption:
1.0A max @ 12V DC
Impedance: 50
+37dBm per carrier(D/L)
AGC level:
0dBm (U/L)
Alarms: 4 x LNA, 2 x LPA, & 2 x 100W PA
Summary alarm connector outputs: Pins 1 & 2
operation: -10%C to +60%C
Temperature range:
storage: -20%C to +70%C