Question: 7 . 7 8 A CG amplifier when fed with a signal source having = 1 0 0 Q is found to have an overall

7.78 A CG amplifier when fed with a signal source having
=100 Q is found to have an overall voltage gain of
12V/V. When a 100-0 resistance is added in series with
the signal generator, the overall voltage gain decreases to
10 V/V. What must of the MOSFET be? If the MOSFET
is biased at 1D =0.25 mA, at what overdrive voltage must it
be operating?

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