User's Manual

Weehawken Tunnel UHF Repeaters
User/Maintenance Handbook
Handbook N.-Weehawken_UHF Issue No:-A
Date:-05/08/05
Page:-
35 of 72
5.2 UHF Hybrid Cross-Band Coupler (80-230702)
5.2.1 UHF Hybrid Cross-Band Coupler Description
The UHF cross-band coupler shelf allows the VHF and UHF frequencies to be combined to
the leaky feeder outputs using hybrid couplers which have been designed for a very low
insertion loss and high rejection.
No alarms are fitted to passive shelves.
5.2.2 UHF Hybrid Cross-Band Coupler Shelf Technical Specification
PARAMETER SPECIFICATION
>380MHz (UHF pass)
Frequency ranges:
<250MHz (VHF pass)
VSWR: better than 1.5:1
Insertion loss: <0.5dB
Rejection: >30dB
RF Connectors: N type, female
operational:
-10°C to +55°C Temperature
range:
storage:
-40°C to +70°C
Case: Alocrom 1200
Heatsinks: Matt black
Handles: Silver anodised alloy
Finish:
Fascia Painted to RAL 7035
Alarms Fitted: None