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

78 9 - 7.78 A CG amplifier when fed with a signal source having R sig = 100  is found to have an overall voltage gain of 12 V/V. When a 100- resistance was added in series with the signal generator the overall voltage gain decreased to 10 V/V. What must gm of the MOSFET be? If the MOSFET is biased at ID = 0.25 mA, at what overdrive voltage must it be operating?

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

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