Electrical Engineering Archive: Questions from 2024-03-8

The transistor parameters are VTN = −0.7 V, Kn = 25 mA/V2 and λ = 0. a) Find IDQ and VDSQ and determine the small-signal voltage gain. b) Draw the load line sketch. Calculate the transition point VDS (sat) on the AC load line. c) Calculate the maximum undistorted output swing Δvo(max).

In the following circuit R1 = R3 = 5 kΩ, R2 = 28 kΩ, R4 = R2 + 3.1%. Calculate the CMRR due to the resistor mismatch. Express your answer in dB.

Due to a manufacturing error, a CMOS cascode amplifier has been configured as shown in Fig. 3. Calculate the voltage gain of the circuit. Assume gmr0≪1. (Using short-circuit transconductance, i. e., Al = GmRout .) (a) (b) [Fig. 3] (1) AV in Fig. 3(a) (2) Av in Fig. 3(b)