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ET-7500 Series 1550nm Optic laser transmitter

l        This series product adopts Japan Fujitsu DFB laser which features in high linearity, optic insulation, distributing feedback, thermoelectricity refrigeration. It provides with excellent image, digit or compressed digital signal transmission for cable TV and telephone communication.

l        The insider RF driver amplifier and controlling circuit guarantee the indication of CNR, CTB and CSO. While the perfect and reliable steady circuit of optic power output and steady controlling circuit of laser thermoelectricity refrigeration guarantee the whole device’s best performance and the laser’s long and steady work.

l        The laser is the most precious part of the whole device, in which a micro processor is installed. The software of the micro processor monitors the working status of the laser, and the working specifications are displayed on the LCD board. Once the laser’s working specification is off the permitted range designed by the software, the micro processor will automatically turn off the power of the laser.

l        Adopts standard 191U frame, installed with qualified power switch inside, can work at the urban power range of 100265Vac.

ITEM

UNIT

PARAMETER

 Optical Power

mW  

5| 6| 8|10

 Optical Wave length

nm 

1550±20 

 Optical Fiber Connector

 

FC/APC 

 Operating Frequency

MHz 

47750 

 RF Input Level

dBμV 

7585 

 Flatness In Band

dB  

±0.75 

 Suppression Threshold

dBm  

4 

 Input Impedance

ohms  

75 

 Input Return Loss

 

16 

 Composite Triple Beat (59PAL-D)

dB 

65 

 Composite Second Order (59PAL-D

dB 

60  

 CNR

dB 

51 

 Power Supply(50Hz)

Vac  

100265 

 Power Consumpition

W  

24 

 Operation Temperature

℃ 

045 

 Dimension

mm 

483×381×44 

  


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