Question 2
For the circuit below, given that Rf=100k?, R1=1k?,
Cf=10nF, answer the following questions:
(a)
What is the name of this circuit.
[1 Marks]
(b)
What function does it perform?
[2 Marks]
(c)
Determine the lower frequency limit of the
circuit.
[6 Marks]
(d) For a square input waveform ±2V peak to
peak and period 100µs, determine the output
waveform (show all workings).
[7 Marks]
(e) An op-amp has a differential gain of 80dB
and CMRR of 95 dB. If V1 = 2uV and V2 = 1.6uV,
calculate the differential and common mode output
values.
[6 Marks]