Problem Statement-A common emitter amplifiers shown has the following design parameters:BJT intrinsic parameters--\beta_{\mathrm{f}}=80, r_{\pi}=1600 \Omega, C_{\pi}=10 \mathrm{pF}, C_{\mu}=10 \mathrm{pF}-External resistors are--R_{S}=200 \Omega, R_{1}=7000 \Omega, R_{2}=4500 \Omega, R_{E}=300 \Omega, R_{C}=5 k \Omega, R_{L}=5 k \Omega-External capacitors-C_{1}=10 \mu F, C_{2}=2 \mu F, C_{E}=100 \mu F, C_{x}=10 \mathrm{pF}-Use short-circuit zero value single time-constant method to calculate-a)Midband gain vo/vs-b)Low frequency poles due to the three capacitors C1, C2, and CE-c)An estimate of the lower 3-dB frequency, fL-d)The high frequency poles-e)An estimate of the 3-dB frequency, fH

Signal Processing(Electronics and Communication Engineering)

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