MODEL QUESTIONS 1. Design and set up a differential amplifier

MODEL QUESTIONS
1. Design and set up a differential amplifier using BJT for gain 20. Determine CMRR.
2. Design a two stage RC coupled amplifier for gain 80 and find the bandwidth from
frequency response.
3. Experimentally find out slew rate and CMRR for the given op-amp.
4. Experimentally find out input offset voltage, input offset current and input bias current
for the given op-amp.
5. Design and implement a circuit to obtain following output waveform from sine wave
input.
6. Design and implement a circuit to obtain following output waveform from sine wave
input.
7. Set up a circuit to obtain the output as V 0 = (V1 + V2) – (V3 + V4) where V1, V2, V3 and
V4 are inputs.
8. Set up a circuit to obtain the output as V0 = -2V1 -3V2 + 4V3 + 5V4 where V1, V2, V3 and
V4 are inputs.
9. Generate square wave for the following specifications. Frequency 2 kHz, Duty cycle 1/4
and voltage swing from 4.5 V to -4.5 V.
10. Generate square wave for the following specifications. Frequency 5 kHz, Duty cycle 1/3
and voltage swing from 4.5 V to -4.5 V.
11. Generate square wave for the following specifications. Frequency 1 kHz, Duty cycle 1/6
and voltage swing from 4.5 V to -4.5 V.
12. Design an instrumentation amplifier with differential mode gain 120 and calculate
CMRR.
13. Design and implement a circuit to generate a sawtooth waveform for rise time 5 ms and
fall time 3 ms.
14. Design and implement a circuit to generate a sawtooth waveform for rise time 2 ms and
fall time 6 ms.
15. Design and set up a circuit which passes all frequencies above 3 kHz.
16. Design and set up a circuit which rejects all frequencies above 2 kHz.
17. Design and set up a circuit which rejects all frequencies below 1 kHz and above 5 kHz.
18. Design and set up a circuit using 555 to obtain a square wave output of 2 kHz and 1/3
duty cycle.
19. Design and implement a 2-bit flash ADC whose output is a 2 bit gray code
20. Design and implement a circuit to generate a sine wave for 2 kHz.
21. Design and set up a circuit to obtain analog positive values according to the four bit
digital input.
22. Design and set up a differential amplifier using BJT for gain 15. Determine CMRR.
23. Design a two stage RC coupled amplifier for gain 90 and find the bandwidth from
frequency response.
24. Design a two stage RC coupled amplifier for gain 100 and find the bandwidth from the
frequency response.
25. Set up a circuit to obtain the output as V0 = -3V1 -2V2 + 5V3 + 3V4 where V1, V2, V3 and
V4 are inputs.
26. Design an instrumentation amplifier with differential mode gain 90 and calculate CMRR.
27. Design and implement a circuit to generate a sawtooth waveform for rise time 2 ms and
fall time 6 ms.
28. Design and implement a circuit to generate a sawtooth waveform for rise time 6 ms and
fall time 2 ms.
Design and set up a circuit which passes all frequencies above 2 kHz.
Design and set up a circuit which rejects all frequencies above 1 kHz.
Design and set up a circuit which rejects all frequencies below 2 kHz and above 4 kHz.
Design and set up a circuit using 555 to obtain a square wave output of 1 kHz and 1/2
duty cycle.
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