The following circuit can be used to illustrate a common-source MOSFET amplifier with load RL and CL. Assume Avo = 50, Ro = 1 kohm, RL = 10 kohm, CL = 3nF. What is the magnitude of voltage gain Av = Vo/Vi (in dB ) when frequency of the source voltage is 1MHz. (a) 8.5 dB (b) 24.4 dB (c) 33.2 dB (x) For the voltage amplifier shown in question (ix), what is the phase angle of the voltage gain Av = Vo/Vi ? (a) -0.98 (b) -45 (c) -86.7
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