Product Details

ROF-DML series of analog broadband direct light transmission module laser Modulator

Place of Origin China
Model Number ROF-DML

Product Features

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Short Description:

The ROF -DML -XX series of analog broadband direct-tuning transmitters use a highly linear microwave direct-coupled DFB laser (DML), a fully transparent operating mode without RF drive amplifiers and integrated automatic power control (APC) and automatic temperature control (ATC) circuit to ensures that the laser can transmit up to 18 GHz of microwave RF signals with long distances, high bandwidth and flat response, providing excellent linear optical fiber communication for a variety of analog broadband microwave applications. Due to the avoidance of expensive coaxial cable or waveguide, the transmission distance limit is canceled, which greatly improves the signal quality and reliability of microwave communication, being widely used in remote wireless,  timing and reference signal distribution, telemetry and delay lines and other communication field.


Feature

⚫Excellent RF response flatness

⚫Wide dynamic range

⚫Entire transparent work applicable signal coding communication standard network protocols

⚫Wavelength options: 1550nm DWDM wavelength

⚫Integrate automatic power control and automatic temperature circuit

⚫No built-in drive RF amplifier, providing more flexibility


Application

⚫Remote antenna

⚫Long-distance analog optical fiber communication

⚫Military three wave communication

⚫Tracking telemetry and control

⚫Delay lines

⚫Phased array


Performance parameters

ParameterUnitMinTypMaxRemarks
Optical characteristics
Laser type

DFB


Operating wavelength

nm

15301550

1570

DWDM is optional
Equivalent noise intensitydB/Hz

-145


SMSR

dB

35

45

Light isolation

dB

30




Output light power

mW

10




Light return loss

dB

50




Optical fiber type

SMF-28E


Optical fiber connector

FC/APC


RF characteristics
 


 

Operating frequency@-3dB

 


 

GHz

0.1

6


0.1

10


0.1

18


Input RF range

dBm

-60

20


Input 1dB compression point

dBm


15

In-band flatness

dB

-1.5

+1.5


Standing wave ratio


1.5


RF reflection loss

dB

-10


Input impedance

Ω


50

Output impedance

Ω


50

RF connector

SMA-F


Power supply
 


Power supply

 


DC

V


5

V


-5

Consumption

W



10


Power supply interface
Wear capacitance


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