(Solved): Using the open-circuit time-constant method, calculate the 3-dB bandwidth of the amplifier. A diff ...

Using the open-circuit time-constant method, calculate the 3-dB bandwidth of the amplifier.

A differential amplifier with a pair of PMOS active loads is shown below: VDD M3 M4 VBIAS +c cottate CO (WIL) 1,2 = 400 • (WIL) 3,4 = 400 • ?n Cox = 400 ?A/V² • Iss = 1.25 mA CD = 200 fF ? CGS,N=CDB,N=4CGD,N=100 FF • CGS,N= 20 fF • CSB ignored • Do NOT ignore channel length modulation, and ? = 0.1 V¹ CGS.P CGD,P_ CDB,P Wp CGS.N CGD,N CDB, N W? N Rs 100 Vin, diff CN M? Iss M? CN