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TI Home » TI E2E Community » Support Forums » Interface » Fiber Communication » Fiber Communication Forum » I need to design a high current pulse generator circuit to drive a pulsed laser diode.
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I need to design a high current pulse generator circuit to drive a pulsed laser diode.

This question is answered
ANIL CELEBI
Posted by ANIL CELEBI
on Feb 29 2012 05:26 AM
Prodigy10 points

Hi,

I need to design a pulsed laser diode driver. Diode consumes typically 20A when it is on and the diode voltage is approximately 2.8V, but the trigger pulse width should not exceed 200ns otherwise diode may be damaged. Which devices and documents should i need to check for that purpose.

Regards,

Anil

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  • Luke Lapointe
    Posted by Luke Lapointe
    on Feb 29 2012 09:39 AM
    Expert4200 points

    Anil,

    I believe you would need one of the ONET devices: http://focus.ti.com/paramsearch/docs/parametricsearch.tsp?family=analog&familyId=741&uiTemplateId=NODE_STRY_PGE_T

    I will move your thread to the the fiber communication forums for more support.

    Regards,
    Luke Lapointe
    High Speed Amplifiers

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  • Alex Davidson
    Posted by Alex Davidson
    on Feb 29 2012 13:27 PM
    Verified Answer
    Verified by Alex Davidson
    Expert4860 points

    Anil,

    The ONET laser drivers are intended for optical fiber communications applications. They are not high current pulsed laser drivers.

    Regards,

    Alex.

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