1. Determine the output voltage of an op-amp for input voltages of Vi1 = 150 µV, Vi2 = 140 µV. The amplifier has a differential gain of Ad = 4000 and the value of CMRR is:
(a) 100.
(b) 105.
2. Calculate the cutoff frequency of a first-order low-pass filter for R1 = 1.2 KΩ and C1= 0.02 µF.