Chengdu Kangbo Photoelectric Engineering Technology Co., Ltd.
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Contact Us
  • Contact Person : Mr. Zhang Dongfan
  • Company Name : Chengdu Kangbo Photoelectric Engineering Technology Co., Ltd.
  • Tel : 0086-28-85362901
  • Fax : 0086-28-85374201
  • Address : Sichuan,Chengdu,1-213, 9 WUKE EAST 3 ROAD, WUHOU DIST, CHENGDU CITY, CHINA
  • Country/Region : China
  • Zip : 610045

Downstream Optical Transmission Module GFB8xxxSM/A/C

Downstream Optical Transmission Module GFB8xxxSM/A/C
Product Detailed
RF input signal level dynamic range: 72~95 dBuV; AGC, automatic control exciter modulation level; Plug-in Module design,

Feature

1.      RF input signal level dynamic range: 72~95 dBuV;

2.      High-quality predistortion optical transmission module, RF   amplifier module;

3.      AGC, automatic control exciter modulation level;

4.      MGC/ AGC, selectable;

5.      Both MGC and  AGC modes support alarming  function, convenient maintenance;

6.      Advanced national standard network module, remote control, intelligent management;

7.      Automatic protection with red lamp alarming while RF  input level exceeding the limited range;

8.      Module design, plug-in installment;

9.      Tilt design, convenient and reliable connection;

10.      Adopt high heat transfer aluminum alloy coat comb shaped  radiator ensures the heat dissipation in time;

11.      Advanced gold plating RF connector.

Technical Specification

item

parameter

Remark

Exciter type

DFB exciter

Output optical wave length

1310 nm±20 nm  

SJ/T10663-1995

Optical modulation

Direct optical intensity modulation

Output optical power

4 mW~25 mW

4 mW~20 mW(C)

Selectable

Optical connection

SC/APC

FC/APC

Frequency range

47 MHz~862 MHz

RF input signal level

72 dBuV~95 dBuV

The nominal  value is different

C/N

≥51 dB

59 or 84 PAL-D Analogy TV Channels (selectable)

C/CTB

≥65 dB(67,M)

C/CSO

≥61 dB(63,M)

Flatness

±0.75 dB

RF input reflection loss

≥16 dB

GB/ T11318.1

RF input impedance         

75Ω

RF connector type

F

Downstream Optical Transmission Module GFB8xxxSM/A/C



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