• How to connect a laser with common PD-anode and LD-cathode to ADN2847?

    Hi All,

    I'd like to know a following point about ADN2847 application circuit.

    According to Figure 15 in the datasheet of ADN2847(RevB), a laser with common PD-cathode and LD-anode is used for this circuit.

    If a laser with common PD-anode and LD…

  • RE: Using Laser Diode Driver IC (ADN2871) for different polarity  laser

    dbrunner,

    you can use the ADN2847 or ADN2871 or other laser drivers AC coupled on the anode side.

    See Figure 15. of the ADN2847 AC-Coupled 50 Mbps to 3.3 Gbps. This shows the AC injection on the cathode side, in your case you would connect IMODN to…

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