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Can we check resistance of mos transsitor directly?

Discussion in 'Electronic Basics' started by boki, May 2, 2004.

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  1. boki

    boki Guest

    Dear All,

    Can we check resistance of mos transsitor directly in spice?

    Could you please tell me the command?

    Thanks a lot.

    Boki.
     
  2. Do you mean calculating V/I?


    Kevin Aylward

    http://www.anasoft.co.uk
    SuperSpice, a very affordable Mixed-Mode
    Windows Simulator with Schematic Capture,
    Waveform Display, FFT's and Filter Design.
     
  3. Boki

    Boki Guest

    Sorry, no, I mean read mos transistor's resistance value directly, when mos
    is working in linear region, for example: apply mos as a switch.

    We can calculate mos resistance by:

    R=1/[uCox(W/L)(Vgs-Vt)]

    but, the real resistance value will change with other parameter, so, we
    can't calculate it very accuracy,

    if possible, I want to simulate it and get its resistance value directly,
    could I?

    Thank you very much.

    Regards,
    Boki.
     
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