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MIT 6.002 Circuits and Electronics, Spring 2007 20 Online
OpenStudy (anonymous):

A CG amplifier when fed with a signal source having Rsig=190ohms is found to have an overal voltage gain of 10V/V. When a 190 ohm resistance is added in series with the signal generator the overal voltage gain decreased to 8V/V. What must gm of the MOSFET be? If the MOSFET is biased at ID=0.2mA at what overdrive voltage must it be operating?

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