DC Analysis of FET-based circuit

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Discussion in 'Homework Help' started by Digit0001, Oct 29, 2011.

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  1. Oct 29, 2011 #1
    Digit0001

    Thread Starter Member

    Mar 28, 2010
    89
    0
    Hi
    the following question i don't understand why they have used the saturation mode equation to find Id. Because when i checked that Vsd > Vsd(sat)
    so it should be in non-saturation mode.

    where Vsd = 0.15 and Vsd = 4.2 so Vsd < Vsd(sat)
    where Vsd(sat) =Vsg + Vtp = 5-0.8 = 4.2V

    tut6_qes9.JPG

    P.S
     
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