## Thursday, April 21, 2011

### 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)