# EC2258 LINEAR INTEGRATED CIRCUITS LABORATORY ANNA UNIVERSITY QUESTION PAPER

EC2258 LINEAR INTEGRATED CIRCUITS LABORATORY

1. (a) Design an inverting ampli er of gain ô€€€5 and an input resistance of 10k

. (35)

(b) Design a non-inverting ampli er with a gain of 10. (35)

(c) Simulate a bandpass lter using PSPICE. (30)

2. (a) Design an inverting ampli er of gain -10 and resistance equal to 10K

. (50)

(b) Simulate an instrumentation Ampli er using PSPICE. (50)

3. (a) Construct a di erential Ampli er and calculate CMRR. (75)

(b) Simulate an active lowpass lter using PSPICE for fL = 1 kHz. (25)

4. (a) Design an op-amp di erentiator that will di erentiate an input signal with fa = 100Hz

and assume fb = 10fa. (75)

(b) Simulate an active high pass lter using PSPICE for fH = 5 kHz. (25)

5. (a) Construct an integrator using op-amp and draw its output for

(i) Sine input

(ii) Square input.

(100)

6. (a) Construct a circuit using op-amp to convert a sine wave into Square wave. (75)

(b) Simulate the above circuit using PSPICE. (25)

7. (a) Construct an Astable multivibrator using op-amp. (75)

(b) Simulate monostable multivibrator using PSPICE. (25)

8. (a) Construct a phase shift oscillator using op-amp and measure the frequency of oscillator

and voltage amplitude. (75)

(b) Simulate the same using PSPICE. (25)

9. (a) Design and construct a wien bridge oscillator for a frequency of 1 KHz. (75)

(b) Simulate the above oscillator using PSPICE. (25)

10. (a) Design an astable multivibrator using 555 timer to generate a frequency of 1 kHz. Cal-

culate the duty cycle D. (75)

1

(b) Simulate the same multivibrator using PSPICE. (25)

11. (a) Design a monostable multivibrator using 555 timer to produce a pulse width of 100ms.

(75)

(b) Simulate the same using PSPICE. (25)

12. (a) Construct a PLL using IC 565 and calculate the capture range and lock range. (75)

(b) Simulate an active LPF using PSPICE for fL = 2 kHz. (25)

13. Construct a frequency multiplier using PLL. (100)

14. (a) Design a Wein bridge oscillator to generate a frequency of 2 kHz. (70)

(b) Design an inverting ampli er of gain -5 and input resistance of 10k?

. (30)

15. (a) Construct a voltage regulator using IC723. (50)

(b) Simulate an active LPF using PSPICE for fL = 1:5 kHz. (50)

16. (a) Construct an instrumentation Ampli er. (75)

(b) Simulate an active HPF using PSPICE for fH = 5kHz. (25)

17. (a) Construct an Astable multivibrator using 555 timer to generate a frequency of 2kHz.

(50)

(b) Construct an integrator using op-amp and draw its output for sine wave input.

(50)

18. (a) Construct a circuit using op-amp to convert a sine wave into a square wave. (75)

(b) Design a non-inverting ampli er with a gain of 10. (25)

19. (a) Design a free running multivibrator using IC555 to generate a frequency of 1 kHz. (75)

(b) Construct an active LPF for a lower cut-o frequency of 1 kHz. (25)

20. (a) Design and construct an active BPF with lower cut-o frequency of 1 kHz and upper

cut-o frequency of 4 kHz. (75)

(b) Simulate an active BPF for a bandwidth of 5 kHz. (25)

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