- Contact Person : Ms. Tian Sweet
- Company Name : Sichuan Kebite Electronic Co., Ltd.
- Tel : 86-028-85183054,13996156059
- Fax : 86-028-85183054
- Address : Sichuan,Chengdu,No.214, Building A, Sida Industrial Park, Gaopeng East Road NO.8, Gaoxin Zone, Chengdu, China (Mainland), Zip:610041
- Country/Region : China
- Zip : 00000
Trunk Amplifier
Trunk Amplifier
This equipment is applied to adjust the forward trunk input signal value into the nomal network level, and also correct the attenuate value which changs with frequency.
The Technical parameter:
Items | Unit | Technical parameter | Note | ||
Forward | Reverse | ||||
Frequency range | MHz | 47/87~750/550 | 5~65 | Custom other frequency segmentation ways | |
Rated gain | dB | 32 | 22 | Forward reference frequency point is 750MHz, and reverse for 65MHz | |
Operating gain(two-way, AGC) | dB | 30 | Forward reference frequency point is 750MHz, and reverse for 65MHz | ||
Flatness in band | dB | ±0.5 | ±0.5 | Two-way is 0.75 | |
Rated output level(OUT1) | dBuV | Branch104 distribution100 | 108 | Forward reference frequency point is 750MHz, and reverse for 65MHz | |
C/CTB | dB | 66 | Forward 79 way PAL-D analogue channel | ||
C/CSO | dB | 64 | ≥52 | Forward 79way PAL-D analogue channel, reverse for 10/.60MHz | |
Noise figure | dB | ≤8 | ≤10 | ||
AGC characteristics | dB | ±3/±0.3 | |||
Reflection loss | dB | ≥16 | ≥16 | ||
Group time delay | ns | ≤10 | ≤20 | 112.25/116.68MHz(forward) 57/59MHz(reverse) | |
Signal alternating voice ratio | % | <2 | |||
Concussion resistant voltage | KV | 5 | 10/700us | ||
Standard power voltage | V | A:60V B:220V | AC |
Trunk Amplifier