10.2.8 External Dual Circulator Specifications (700/800 MHz)
Table 10-13
Duplexer Specifications (VHF) (cont'd.)
Duplexer Spec
Limit (VHF)
Typical
Notes
Minimum Tx-Rx
Frequency Spacing
1.5 MHz
Antenna Connector
N female
Rx/Tx Output
Connector
N Female
* Minimum Tx-Rx spacing may be as low as 1.0 MHz; however, insertion loess of isolation
may not be met.
10.2.8 External Dual Circulator Specifications (700/800 MHz)
Table 10-14
External Dual Circulator Specifications (700/800 MHz)
External Dual
Circulator Spec Limit
(700/800 MHz)
Typical
Operating Frequency
Range
762–870 MHz
Insertion Loss
1.6 dB
1.2 dB
Input Return Loss
18 dB
Reverse Isolation
40 dB
42 dB
Power (continuous)
200 W
Harmonic Attenuation
60 dB
Intermodulation (2 tone,
100 W each)
–75 dBc
Input Connector
RF cable with N male
Output Connector
N female
10.2.9 External Dual Circulator Specifications (UHF)
Table 10-15
External Dual Circulator Specifications (UHF)
External Dual
Circulator Spec
Limit (UHF)
Typical
380–435 MHz,
435–470 MHz,
Operating Frequency
Range
470–524 MHz
Insertion Loss
1.6 dB
1.2 dB
6871022P86-A - November 2012
10-11
Содержание GTR 8000
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