AC signal in differential amplifier

Discussion in 'General Electronics Chat' started by TAKYMOUNIR, Mar 10, 2013.

  1. TAKYMOUNIR

    Thread Starter Active Member

    Jun 23, 2008
    351
    1
    what is the efeect of 270pf across the 20k (r5&r7) so if one is more than the other what is the effect ,
    the input to diff has ripple(has ac freq=40khz and vp-p=5v)
    thanks
     
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