Q1. List all the characteristics of an ideal OP-AMP.

This is question 1 (3 marks) from the GTU Analog Circuit Design BE Winter 2023 question paper. Subject code: 3141002.

Q2. Give full forms of: CMRR, PSRR, PLL

This is question 2 (3 marks) from the GTU Analog Circuit Design BE Winter 2023 question paper. Subject code: 3141002.

Q3. Give full forms: ADC, HPF, VCO

This is question 3 (3 marks) from the GTU Analog Circuit Design BE Winter 2023 question paper. Subject code: 3141002.

Q3. Compare Class Aand Class Bamplifiers.

This is question 3 (4 marks) from the GTU Analog Circuit Design BE Winter 2023 question paper. Subject code: 3141002.

Analog Circuit Design | B.E. Semester IV Winter 2023 | GTU Papers

Q: Q1. Explain how and why does trans-conductance varies with increasing |I |, |V | and Temperature at high frequency. c CE

This is question 1 (4 marks) from the GTU Analog Circuit Design BE Winter 2023 question paper. Subject code: 3141002.

Q: Q1. You are given a set of components as follows: Resistors- 2.2 kΩ(2), 3.9kΩ(2), 4.7kΩ(2) a capacitor-0.1µF and an IC555.Design an astable multi-vibrator with free running frequency of approximately 1 kHz. Draw the final design with pin connections and values of each component chosen by you as your answer. Also, show all the calculations related to your design.

This is question 1 (7 marks) from the GTU Analog Circuit Design BE Winter 2023 question paper. Subject code: 3141002.

Q: Q2. Explain the concept of virtual ground and discuss how it is different from actual ground.

This is question 2 (4 marks) from the GTU Analog Circuit Design BE Winter 2023 question paper. Subject code: 3141002.

Q: Q2. Derive an expression for the short circuit current gain for the hybrid- model in CE configuration.

This is question 2 (7 marks) from the GTU Analog Circuit Design BE Winter 2023 question paper. Subject code: 3141002.

Q: Q2. Derive an expression for emitter diffusion capacitance in terms of base width, diffusion constant and trans-conductance for the hybrid- π model in CE configuration.

This is question 2 (7 marks) from the GTU Analog Circuit Design BE Winter 2023 question paper. Subject code: 3141002.

Q: Q3. Derive an expression for the frequency of oscillations for the Wein bridge oscillator.

This is question 3 (7 marks) from the GTU Analog Circuit Design BE Winter 2023 question paper. Subject code: 3141002.

Questions25

List all the characteristics of an ideal OP-AMP.

[3 marks]

Explain how and why does trans-conductance varies with increasing |I |, |V | and Temperature at high frequency. c CE

[4 marks]

You are given a set of components as follows: Resistors- 2.2 kΩ(2), 3.9kΩ(2), 4.7kΩ(2) a capacitor-0.1µF and an IC555.Design an astable multi-vibrator with free running frequency of approximately 1 kHz. Draw the final design with pin connections and values of each component chosen by you as your answer. Also, show all the calculations related to your design.

[7 marks]

Give full forms of: CMRR, PSRR, PLL

[3 marks]

Explain the concept of virtual ground and discuss how it is different from actual ground.

[4 marks]

Derive an expression for the short circuit current gain for the hybrid- model in CE configuration.

[7 marks]

Derive an expression for emitter diffusion capacitance in terms of base width, diffusion constant and trans-conductance for the hybrid- π model in CE configuration.

[7 marks]

Give full forms: ADC, HPF, VCO

[3 marks]

Compare Class Aand Class Bamplifiers.

[4 marks]

Derive an expression for the frequency of oscillations for the Wein bridge oscillator.

[7 marks]

What is an electronic filter? List all types of electronic filters.

[3 marks]

Compare current series feedback with current shunt feedback.

[4 marks]

A CE amplifier with an un-bypassed emitter resistance providing current series feedback to be designed for trans-conductance gain of -1 mA/V, voltage gain of -4 and a desensitivity of 50. If R =1KΩ, h =150 s fe and r is negligible, find (i) R , (ii)R ,(iii) Rand (d) I . bb’ e Lif C(quicent)

[7 marks]

Define: Slew rate, Input bias current, Input offset current

[3 marks]

Explain the working of Class AB amplifier in brief.

[4 marks]

A Second Order Low Pass Filter is to be designed around a non- inverting op-amp with equal resistor and capacitor values in its cut-off frequency determining circuit. If the filters characteristics are given as: quality factor Q = 5, andcorner frequencyƒ = 159Hz, design a suitable c low pass filter. Assume R=10 kΩ. OR1

[7 marks]

In the Colpitts oscillator, C =0.2 µF C =0.02 µF. If the frequency of oscillation required is 10 kHz, find the value of inductor.

[3 marks]

Explain Barkhausen criterion for oscillations.

[4 marks]

Describe the complete process of state variable filter design in details.

[7 marks]

Give full forms: ECL, VCVS, GBP

[3 marks]

Give complete classification of oscillators.

[4 marks]

Derive the expressions for the voltage gain and input resistance with feedback for an emitter follower circuit.

[7 marks]

Calculate the frequency of oscillations for an RC phase shift oscillator given R=10KΩ and C=0.1 µF.

[3 marks]

For a non-inverting OP-AMP summing circuit with inputs of 1V,2V and 3V, respectively, R=2KΩ and R =1KΩ. Determine output voltage. f in

[4 marks]

Design an adjustable voltage regulator using LM317 to satisfy the following specifications: Output Voltage=5 to 12 V, Output current=1.0 A. I =100 µA. ADJ Assume R =240Ω.1

[7 marks]

Analog Circuit Design — Winter 2023

Questions25

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