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TI Home » TI E2E Community » Support Forums » Interface » Fiber Communication » Fiber Communication Forum » level incompatible issue( LVPECL to VML )uesd between SN65LVCP204 and Optical Module
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level incompatible issue( LVPECL to VML )uesd between SN65LVCP204 and Optical Module

level incompatible issue( LVPECL to VML )uesd between SN65LVCP204 and Optical Module

This question is answered
jane shen
Posted by jane shen
on Jan 27 2011 02:02 AM
Prodigy10 points

when we recommended SN65LVCP204 to replace MC100EL11+MC10EP56DTG in Gigabit Interface.how to solve the incompatible issue about LVPECL level converting to VML level,could you share me any solution like converting circuit or device etc.,thank you very much。

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  • Jack Li-SH
    Posted by Jack Li-SH
    on Jan 27 2011 04:18 AM
    Verified Answer
    Verified by Alex Davidson
    Intellectual1150 points

    Jane,

    VML drivers are voltage-level compatible with LVPECL, and  the input of LVCP204 has the internal terminal to Vcm,  so you can use 0.1uF capacitor for ac-coupling.

    for data communication, need to pay attention to DC-balance.

    Regards,

    Jack

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