CommScope PSR 700, Руководство пользователя

Страница: 63 / 69

8. Appendix
MF0123A1F _FCC _uc Manual for PSR 700/800 MHz Page 63
No.
Channel
Bandwidth
(kHz)
3 dB
Bandwidth
(kHz)
Delay
typ.
(µs)
Rejection
Fc±(kHz)
Ripple
(dB)
Channel
Distance *
(kHz)
1 12.5 23 98.5 ±13 72 dBc 0.49 31.25
2 25 46 52 ±26 71 dBc 0.46 56.25
3 50 92 27.5 ±52 72 dBc 0.49 106.25
4 75 138 20 ±78 78 dBc 0.52 156.25
5 100 184 16 ±105 88 dbc 0.54 206.25
6 150 276 12 ±155 74 dbc 0.56 312.5
7 200 459 9 ±255 78 dbc 0.61 512.5
table 8-1 Digital filters (narrowband) for Class A repeaters
* The center frequencies of two filters with the same bandwidth must have at least this distance; center
frequencies are set in the channel pages of the System Settings (see chapter 5.6.10 and 5.6.11 ).
No.
Channel Bandwidth
(MHz)
3 dB Bandwidth
(kHz)
Delay typ. (µs)
Channel Distance *
(kHz)
1 5 4950 5 5000
2 10 9470 5 ---
table 8-2 Digital filters (broadband) for Class A repeaters
* The center frequencies of two filters with the same bandwidth must have at least this distance; center
frequencies are set in the channel pages of the System Settings (see chapter 5.6.10 and 5.6.11 ).
Paramenter Value
Selectivity
Band
Channel
Bandwidth
Delay
RF_IN
→
RF_OUT
Rejection
700 MHz 17 MHz
3.5 µs 40 dBc @ ±2 MHz
800 MHz
3 MHz
10 MHz
18 MHz
table 8-3 Selectable passbands for class B repeaters
All figures are typical values, unless otherwise stated.
All data is subject to change without notice.