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  • 50MHz InGaAs Low Noise Balance Photodetector

    • 50MHz InGaAs Low Noise Balance Photodetector     


    Two matching ultra-low noise analog PIN detectors and low noise broadband transimpedance amplifiers are integrated into the butterfly packaged optoelectronic balance detector, which are powered by a single power supply. It can effectively reduce the common mode noise of the signal and improve the signal-to noise ratio of the system. The detector has both the performance of the original module and the advantages of small size, light weight and low power consumption, and is particularly suitable for module and system integration.



    Product model


    Name Model Price
    50MHz Low Noise Balance Photodetector   [PDF]  [RFQ]

    DBD-50M-A
    Stock NO.: E80040363     		[Please inquire]
     Call us 


    Parameter



    Features

    ● low noise

    ● high bandwidth

    ● high gain

    ● compact structure

    Specifications

    Part number

    DBD-50M-A

     Unit

    Detector type

    InGaAs


    Wavelength

    800~1700

    nm

    Bandwidth

    50M

    Hz

    Detector responsivity

    0.95@1550nm

    A/W

    Transimpedance gain

    30K

    V/A

    Saturation input optical   power

    130

    uW

    NEP

    5  (Typical)

    pW/Sqrt(Hz)

    Output impedance

    50

    Ω

    Common Mode Rejection   Ratio

    >30

    dB

    Output coupling mode

    AC


    Supply voltage

    5

    V

    Supply current

    0.2(max)

    A

    Optical input

    SM FC/APC


    RF output

    MCX  (Female)


    Dimensions

    25*22*10.5

    mm


    Test Results


    Test Butterfly DBD-50M-A

    t1.png

    RBW=100KHz；VBW=100KHz


    t2.png

    RBW=10KHz；VBW=1KHz

    Dimension

    unit(mm)

    20230608215255.jpg


    PIN NUMBER

    VALUE

    1

    GND

    2

    +5V

    3

    NC

    4

    NC

    5

    NC

    6

    NC


    Operation Manual

    1. The power supply voltage of the module is 5V, and the maximum power supply current is 0.2A.

    2. Input+, Input- are the optical input interface; RF is the radio frequency output interface.

    3. Please ensure that the end face is clean before connecting to the input end to prevent dirt from affecting the measurement results.

    Application

    ● Distributed Fiber Optic Sensing

       ψ-OTDR/ C-OTDR

       DAS/DVS

       BOTDA/ BOTDR

    ● Laser wind measurement radar

    ● Optical coherence tomography



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