EC8452 EC-II Question Papers
Anna University Regulation 2017 ECE EC8452 EC-II Question Papers for previous years are provided below. Previous Year Question Papers for ECE 4th SEM EC8452 Electronic Circuits II, Engineering are listed down for students to make perfect utilization and score maximum marks with our study materials.
Anna University Regulation 2017 (ECE) 4th SEM EC8452 EC-II – Electronic Circuits II question paper
1. Define positive and negative feedback.
2.List the effect of negative feedback on the noise and bandwidth of an amplifier.
3. State sensitivity and de-sensitivity of gain in feedback amplifiers.
4.A negative feedback amplifier has a bandwidth of 250 KHz and desensitivity factor of 4. What is the bandwidth of the basic amplifier
5.Tabulate the input and output resistances of a negative feedback amplifier.
6. Draw the magnitude and phase angle plot of three stage amplifier.
7. Outline the loop gain or return ratio of feedback amplifier.
8. Discuss the advantages of negative feedback in amplifiers.
9. Express the reason for negative feedback which increases bandwidth.
10.Describe the effect of gain in amplifier when voltage shunt & series feedback is employed.
11.Applying the impact of negative feedback on noise and distortion in amplifier circuits.
12.Calculate the voltage gain and output voltage of a negative feedback amplifier with A=120, β=0.05 and Vs=75mV.
13. Illustrate the current series & current shunt feedback.
14. Analyzing the feedback factor of an amplifier.
15. Differentiate Phase margin and Gain margin.
16. Examine the decrease in output impedance in feedback amplifiers.
17. Summarize the Trans-resistance amplifier.
18. Evaluating the Nyquist criterion for stability of feedback amplifiers.
19. Construct the equivalent circuit of Trans-conductance amplifier.
20. Discuss the frequency compensation after the Miller Compensation.
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EC8452 EC-II question papers
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