linear integrated circuits lic (17445) assignment no. 1 integrated circuits.pdf · linear...

Rayat Shikshan Sanstha’s

Karmaveer Bhaurao Patil Polytechnic, Satara Department of Electronics & Telecommunication Engineering

Linear Integrated Circuits LIC (17445)

Assignment No. 1

1. What is operational amplifier? Why it is called operational amplifier?

2. Draw block diagram of operational amplifier. Explain the function of each block.

3. Draw neat sketches of;

a. Symbol of operational amplifier

b. Equivalent circuit of operational amplifier

c. Pin configuration of IC 741.

d. Dual Input Balanced Output Differential Amplifier

e. Dual Input Unbalanced Output Differential Amplifier

f. Single Input Balanced Output Differential Amplifier

g. Single Input Unbalanced Output Differential Amplifier

h. Ideal Transfer characteristics of operational Amplifier

i. Practical Transfer characteristics of operational Amplifier

4. Draw and explain differential amplifier with constant current source.

5. Why DC level shift circuit is needed in op-amp? Draw any one of such DC level shifter.

6. Compare ideal characteristics of op-amp with IC 741.

7. Define following parameters of op-amp and give their ideal and typical values:

a. Input offset Voltage

b. Input Bias Current

c. Slew Rate

d. CMRR

e. SVRR

f. Input Offset Current

g. Unity Gain Bandwidth

h. Output Offset Voltage

8. Describe the term dual input balanced output differential amplifier and dual input unbalanced

output differential amplifier. Draw single input unbalanced output differential amplifier.

9. Draw dual input balanced output differential amplifier and describe the operation of it. 10. Draw pin configuration of IC 741. State the function of each pin.




Assignment No. 2

1. Explain, open loop op-amp is not suitable for linear applications. 2. Compare closed loop configuration and open loop configuration of op-amp. 3. Explain virtual ground concept. State the applications of operational amplifier. 4. Draw the circuit of op-amp without feedback in inverting mode, non-inverting mode. Give

expression of output of the same. 5. Draw the circuit using op-amp and derive the expression for voltage gain and output voltage for:

a. Inverting Amplifier b. Non-inverting Amplifier c. Differential Amplifier

6. Draw circuit using op-amp and explain: a. Inverter or Sign Changer b. Voltage Follower c. Subtractor

7. Draw circuit using op-amp and derive expression of output for : a. Inverting Adder b. Inverting Summing Amplifier c. Inverting Scaling Adder d. Non-inverting Adder e. Inverting Average Amplifier f. Non-inverting Average Amplifier

8. Draw the circuit of active integrator and derive the relation between input and output with circuit components.

9. Draw circuit of practical integrator. Explain why ideal (or basic) integrator circuit is not used in practice. 10. Draw circuit of active differentiator. Derive the expression for output. 11. Draw the circuit of practical differentiator. Explain why ideal (or basic) differentiator circuit is not used in

practice. 12. Design the op-amp circuit having output equals to two times the negative sum of three inputs. Draw

designed circuit.

13. Design and draw the circuits using op-amp to get the following outputs. a. 1 2 33Vo V V V b. 1 24( 2 )Vo V V

c. 1 2 3(3 3 )Vo V V V

d. 1 210( )Vo V V

e. 1 2( )

2

V VVo

14. Suggest Op amp based circuit to convert square wave to triangular wave. Draw the circuit

diagram with input and output waveforms.

15. Explain the concept of frequency compensation of op-amp and offset nulling.




Assignment No. 3

1. Draw;

a. Pin Configuration of IC LM 324.

b. Circuit diagram of peak to peak detector.

c. Draw inverting Zero Crossing Detector and its waveforms with circuit diagram.

d. Instrumentation amplifier using 2 op-amps.

2. Draw and explain circuit diagram of Sample and Hold Circuit using op-amp. Define Sample Period

and Hold Period with reference to sample and hold circuit.

3. Draw instrumentation amplifier using 3 op-amps. Give the expression at the output of each op-

amp. State the applications of instrumentation amplifier.

4. Draw circuit diagram of V-I converter with floating load. Derive expression for its output.

5. Draw window detector using op-amp and explain its operation.

6. Draw and explain operation of phase detector.

7. Draw circuit diagram of a logarithmic amplifier. Derive its equation for output voltage.

8. Draw I to V converter using op-amp. Derive expression for its output voltage.

9. For a Schmitt trigger with op-amp find threshold voltages VUTP and VLTP when R2 =150K, R1=100K,

Vin= 500mV Sine wave, and saturation voltage is +/-15V. Also find hysteresis voltage.

10. Draw circuit diagram of positive Active Peak detector. What modification is necessary to convert

active peak detector into negative peak detector? Draw circuit of negative peak detector.

11. Draw circuit diagram of non-inverting comparator using op-amp. Explain its operation with neat

waveforms.

12. State the need of signal conditioning and signal processing.

13. Draw circuit diagram of V to I converter with grounded load. Derive expression for output.

14. Writ a short note on

a. Analog Divider

b. Analog Multiplier

c. Antilogarithmic Amplifier

15. Draw circuit diagram of Schmitt trigger using op-amp. Explain its operation with neat waveforms. Also draw its hysteresis characteristics.




Assignment No. 4

1. Give classifications of filters. State advantages of active filter over passive filter.

2. Draw ideal and practical frequency response of following filters and label them,

a. Low pass filter b. High pass filter

c. Band pass filter d. Band reject filter

3. Define terms related to filter,

a. Pass band b. Stop band

c. Roll of rate d. Bandwidth e. Center frequency

4. Draw circuit of first order high pass filter. Draw labeled frequency response of this filter. Give

expression for cut off frequency.

5. Draw circuit of first order low pass filter. Draw labeled frequency response of this filter. Give


6. Draw second order high pass butter worth filter with labeled frequency response. Give


7. Draw second order low pass butter worth filter with labeled frequency response. Give expression

for cut off frequency.

8. Draw first order wide band pass filter with labeled frequency response. Explain its working. Give


9. Draw first order wide band reject filter with labeled frequency response. Give expression for cut

off frequency.

10. Draw and explain narrow band pass filter. Draw labeled frequency response.

11. Draw and explain narrow band reject filter. Draw labeled frequency response.

12. Write a short note on:

a. All pass filter b. Higher order filters

13. Design a second order low pass butter worth filter with higher cut off frequency of 1.6 KHz. Draw

designed circuit and sketch frequency response.

14. Design a second order high pass butter worth filter with higher cut off frequency of 1.5 KHz.

Draw designed circuit and sketch frequency response.

15. Design a first order high pass filter with a cut off frequency 10 KHz and C= 0.01µF with pass band gain 2. Draw designed circuit.




Assignment No. 5

1. Draw pin diagram of IC 555. State the function of each pin.

2. Draw block diagram of Timer IC 555. Explain its working.

3. Draw and explain touch plate switch using IC 555.

4. Draw and explain water level controller using IC 555.

5. Draw and explain frequency divider circuit using IC 555.

6. Draw block diagram of PLL. Explain principle of operation.

7. Explain operation of PLL as multiplier with neat diagram.

8. Draw block diagram FM demodulator using PLL. Explain its principle of operation.

9. Draw pin diagram of IC 565. State function of each pin.

10. Explain the operation of VCO block in IC 565.




Assignment No. 6

1. Explain principle of oscillator with block diagram.

2. Draw circuit diagram of phase shift oscillator using op-amp. Explain its working.

3. Draw circuit diagram of Wien bridge oscillator using op-amp. Describe the operation.

4. Draw circuit diagram of Astable Multivibrator using IC555. Explain its operation. State its

frequency equation, duty cycle, time period. Draw its output waveforms.

5. Draw circuit diagram of Astable Multivibrator using IC741. Explain its operation. State its

frequency equation, duty cycle, time period. Draw its output waveforms.

6. Draw circuit diagram of Monostable Multivibrator using IC555. Explain its operation. State its

expression of pulse width. In Monostable Multivibrator, C= 0.01µF, R= 2.7K Ω. Calculate duration

of output pulse width.

7. Draw circuit diagram of Monostable Multivibrator using IC741. Explain its operation.

8. Draw circuit diagram of Bistable Multivibrator using IC555. Explain its operation.

9. Draw circuit diagram of Bistable Multivibrator using IC741. Explain its operation.

10. Draw circuit diagram of Schmitt trigger using IC 555. Explain its operation with neat waveforms.

Calculate the value of LTP and UTP if VCC= 15V.

11. Draw circuit diagram of Voltage Controlled Oscillator using IC 555. Explain its operation.

12. Draw circuit diagram of Square wave generator using IC 555. Explain its operation.

13. Design an Astable Multivibrator using IC 555 to obtain 60% duty cycle for output frequency of

2KHz. Draw designed circuit.

14. If RA = 2K Ω, RB= 5K Ω and C= 2.5µF. Calculate TON, TOFF, Frequency for Astable Multivibrator using

IC 555. Also determine duty cycle.

15. Calculate TON, TOFF, Frequency and %D for free running oscillator using IC 555 when RA = 10K Ω,

RB= 5K Ω and C= 0.1µF.

linear integrated circuits lic (17445) assignment no. 1 integrated circuits.pdf · linear...

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