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my electronics 1 exam

Discussion in 'Electrical Engineering' started by tbone, Apr 18, 2004.

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  1. tbone

    tbone Guest

    well, there were a few things i couldn't figure out:

    what's the input resistance to the small signal model of an nMOSFET, in the
    common source conifguration?

    and if you had some signal 0.1sin(2*pi*1000*t) going through an amp with a
    gain of 1000 v/v , what would be the "first five frequencies" you could

    i'm assuming this has to do with the fourier series??


    if you've got a BJT amp in the common collector configuration, and it is
    biased by a current mirror on the emmiter, and the output point is measured
    at the emmitter, and the small signal AC input is on the base, but there is
    nothing else on the base,

    how do you find the DC bias condition Vce, the voltage across the collector
    and emitter ??

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