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1310nm Direct Modulation Optical Transmitter With AGC (DT-DMOT-1310-xx dbm)

Description 

1310nm Direct Modulation Optical Transmitter With AGC (DT-DMOT-1310-xx dbm) series directly modulated optical transmitter adopts high-performance DFB laser, operating in 1310nm frequency range, optical transmitter modulates headend RF signal into 1310nm wavelength optical signal, and combines the modulated optical signal to fiber cable, and completes far distance, large area cover transmission for image, audio and data. Output optical power:4~31mW is optional,Optical wavelength:1310±20nm,Optical connector:SC/APC,Optical return loss:45dB,Frequency range:47~862MHz,RF input level:80±5dBuV,C/N:51dB,C/CTB:65dB,C/CSO,60dB,dimension:440×370×44(mm),American standard power supply or European standard power supply is optional.


Features

⊙Push-pull double power supply design, input voltage range is up to AC110V~265V.

⊙Adopts pre-distortion circuit to improve optical transmitter performance parameters in further.

⊙Adopts high linearity, low noise distributed reaction type DFB laser with optical isolator as source.

⊙Adopts DFB components back light monitor and control circuit, to realize optical power high stability.

⊙47~862MHz operation bandwidth, with AGC function, to realize amplification and automatic optical modulation depth control.

⊙High effective temperature control circuit, to ensure laser chip temperature in 25±0.5℃ constantly in various temperature environment.

⊙1U standard rack, equipped-in high-bright displayer in front panel, to display equipment’s each operation status parameters exactly.

⊙Installation complies to sort-II network management transponder, through network management system to monitor and control equipment’s operation status, performance remotely, to improve network reliability.


Specification

Items

Units

Parameters

Remark

Optical

Output optical power

mW

4~31


Optical wavelength

nm

1310±20


Optical connector

-

SC/APC or FC/APC


Optical return loss

dB

45


RF

Frequency range

MHz

47862


In-band flatness

dB

±0.75


RF input level

dBuV

80±5


Level adjustment range

dB

±7

0.2dB step

RF level control mode


Automatic/manual


C/N

dB

51

-1dBm receiving optical power

C/CTB

dB

65

C/CSO

dB

60

RF connector


Standard F type


Physical

Operation temperature

-10+55


Power voltage

V

AC110~265


 dimension

mm

440×370×44


Weight

kg

4.8