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Question about mosfet parameters

Discussion in 'Electronic Design' started by [email protected], Jan 13, 2009.

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  1. Guest

    I have some doubts about mosfet K' and lambda. For an nmos:
    1)K'=u*C'ox with u=electron mobility;u=Vdrift/E with E=electric
    field=Vds/L......K' should depends on L, but why it depends also on W?
    2)channel lenght modulation parameter (lambda) depends only on L or
    (fixed L) depends also on W?
    Thanks for he help
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