User's Manual

P B L Tunnel Units 1 & 2
Maintenance Handbook
H/book Number:-60-056100HBKMFCC
Issue No:-2
Date:-04/01/2006
Page:-
15 of 63
3.2
Technical Specifications
3.2.1 UHF ONE to Tunnels Technical Specification
Frequency Range: Downlink Channels:
470.2125MHz
470.2625MHz
Spare
Uplink Channels:
473.2125MHz
473.2625MHz
Spare
Band Width Downlink :15kHz
Uplink : 25kHz
N. of Paths 2
Downlink Gain 82 dB min
Uplink Gain 70 dB min
RF Connector N type female
RF Impedance
50Ω
VSWR Better than 1.5:1
Gain Adjustment 0 to 30 in 2dB steps
Downlink PA 470.2125MHz, 470.2125MHz: 5WClass A Linear PA
482.2375MHz :20W Class A Linear PA
Uplink PA 485.2375MHz : 1W Class A Linear
473.2625MHz, 473.2125MHz : 5W Class A Linear
Duplexer UP/DN Isolation >80 dB
Passband Ripple <±1.5 dB
Noise Figure Downlink <7 dB at maximum gain
Noise Figure Uplink <18 dB at maximum gain
In-Band Spurious Better than –13dBm downlink
Better than –13dBm uplink
(measure with 30KHz BW & max gain setting)
Out-band Spurious up to
3GHz:
Better than –90dBc