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E C Cat2 Set 1 QP

This document outlines the Continuous Assessment Test for the Electronic Circuits course for BE - ECE students in the 2024-25 academic year. It includes details such as the course code, faculty name, exam date, and structure of the test with questions categorized into Part A and Part B. The test assesses various learning outcomes related to amplifiers, feedback, and oscillators.

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9 views2 pages

E C Cat2 Set 1 QP

This document outlines the Continuous Assessment Test for the Electronic Circuits course for BE - ECE students in the 2024-25 academic year. It includes details such as the course code, faculty name, exam date, and structure of the test with questions categorized into Part A and Part B. The test assesses various learning outcomes related to amplifiers, feedback, and oscillators.

Uploaded by

viji
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOC, PDF, TXT or read online on Scribd
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Continuous Assessment Test -2(2024-25: ODD SEM)

Programme : BE -ECE Regulation : 2023 Qn set 1


Course Code & U23EC304& II YEAR
Year &Sem: Date : 12.11.2024
Title : ELECTRONIC CIRCUITS &III SEM
Maximum
Faculty Name : Dr.V.MANGAIYARKARASI
Marks :
50 Time : 2.20 PM - 3.50 PM

Analyze Gain and frequency response Analyze Differential Amplifier and


CO1 CO2
BJT and MOSFET Amplifiers Tuned Amplifiers
Course Analyze characteristics of Feedback Analyze different types of Oscillators
CO3 CO4
Outcome Amplifiers principles
Analyze Power Amplifiers and
CO5
DC/DC Converters
PART - A (5  2 = 10 Marks)
Answer ALL Questions
Marks, K-
Level,CO
1. What are the types of feedback? 2,K4,CO3
2. What are the drawbacks of negative feedback? 2, K4,CO3
3. Distinguish between series and shunt feedback amplifiers. 2,K4,CO3
4. What are the advantages and drawbacks of RC phase shift oscillator? 2,K4,CO4
5. Draw the equivalent circuit of crystal oscillator. 2,K4,CO4
PART - B (4  10 = 40 Marks)
Answer ALL Questions
6 a. Determine Rif,,Rof,,Av and Avf for the Voltage series feedback amplifier. 10,K4,CO3
OR
b. When negative voltage feedback is applied to an amplifier of gain 100, the 10,K4,CO3
overall gain falls to 50. Find the value of the amplifier gain.

7 a. Draw the circuit of an emitter follower. Identify the type of negative feedback. 10,K4,CO3
Calculate the gain, input & output resistance with & without feedback.
OR
b. Explain about Current series feedback and derive the expression for input 10,K4,CO3
impedance, output impedance and voltage gain.

8. a. With a neat diagram explain about Wien Bridge oscillator and derive the
10,K4,CO4
expression for frequency of oscillation and condition of oscillation.
OR
b. A Hartley oscillator is designed with L1 = 2mH, L2 = 20μH and a variable
10,K4,CO4
capacitance. Find the capacitance value if the frequency is 950 to 2050 KHZ.

9. a. Derive the general form for frequency of oscillation for LC oscillator with
10,K4,CO4
suitable diagram.
OR
b. With a neat diagram explain about Hartley oscillator & derive the expression
10,K4,CO4
for frequency of oscillation and condition of oscillation.
K1 – Remember; K2 – Understand; K3 – Apply; K4 – Analyze; K5 – Evaluate; K6 – Create
1
K1 – Remember; K2 – Understand; K3 – Apply; K4 – Analyze; K5 – Evaluate; K6 – Create
2

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