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Simple interface LVTTL -> LVPECL How to ?

Discussion in 'Electronic Design' started by Per-Åke Andersson, Feb 17, 2007.

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  1. 1. A simple LVTTL to LVPECL interface without interface IC ?
    Any info ?

    2. If I want a single ended output from a LVPECL,can I leave
    the other differential output open (unconnected) ?

    /Per-Ake
     
  2. John  Larkin

    John Larkin Guest

    Resistive level shifter, 4 resistors maybe. 2 resistors if you have an
    intermediate supply rail available. I could draw it and post to abse
    if you want.

    Yes. Vcc current will be better balanced if the loads are balanced,
    but that will almost never matter.

    John
     
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