Handbook

800MHz BDA (Pasadena Figuero Tunnel)
Maintenance Handbook
H/book Number:-60-056100HBKM
Issue No:-1
Date:-21/10/2003
Page:-
13 of 52
3.2 Technical Specifications
3.2.5 800MHz 8 Channel Channelised BDA Technical Specification
Frequency Range:
Downlink
857.0-861.0MHz
Uplink
812.0-816.0MHz
Band Width: Downlink: 25kHz
Uplink: 25kHz
No. of Paths: 2
No. of RF Ports: 2
No. of Fibre Connections: N/A
RF Connector: N type female
RF Impedance:
50Ω
VSWR: Better than 1.5:1
Downlink Gain: 95 dB min
Uplink Gain: 95 dB min
Gain Adjustment: 0 to 30 in 2dB steps
Downlink PA: 10W Class A Linear
Downlink Power: 8 Carriers at +17dBm
Uplink PA: 10W Class A Linear
Uplink Power: 8 Carriers at +17dBm
Duplexer UP/DN Isolation: >80 dB
Passband Ripple: <±1.5 dB
Noise Figure: Uplink <6 dB at maximum gain
Downlink <5 dB at maximum gain
In-Band Spurious: Better than –36dBm downlink
Better than –36dBm uplink
(measure with 30KHz BW with max gain setting)
MTBF: >50,000 hours
Supply Input Voltage: 110V AC
Alarms Fitted: Alarm: Volts free contacts (Amps, PSU,door)
Alarm indicator- Red LED
Power Indicator-Green LED