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23-10-2019
Physics

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A CG amplifier using an NMOS transistor for which gm = 2 mA/V has a 5-k drain resistance RD and a 5-k load resistance RL. The amplifier is driven by a voltage source having a 750- resistance. What is the input resistance of the amplifier? What is the overall voltage gain Gv ? By what factor must the bias current ID of the MOSFET be changed so that Rin matches Rsig?

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umohduke14 umohduke14

23-10-2019

Answer: Input Resistance (Rin) = 500 ohms , overall voltage Gain (GV) = 2 volts / volts , ID = 4/9 = 0.44 A

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