• Electrical Engineering Archive: Questions from 2023-06-21

    Determine small signal voltage gain if VCEQ = 5.0 V. Transistor parameters (NMOS): kn = 100 uA/V^2, VTN = 1 V, and lambda = 0.01 V^-1. Transistor parameters (BJT): beta = 100, VBE(on) = 0.7 V, and VA = infinity.
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    Consider the common source amplifier given in Fig. 4. i. Assume KN = 0.43 mA/V^2, VTN = 1.2V, and lambda = 0.001V^-1. Determine the values of the R1 and RD resistances if VDD = 12V, IDQ = 1mA, VDSQ = 6V, R2 = 10 kOhm ii. Determine the small signal gain Av with RL = 10 kOhm.
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