EC6401 EC-II Important Questions
Anna University Regulation 2013 Electronic Communications Engineering (ECE) EC6401 EC-II Important Questions for all 5 units are provided below. Download link for ECE 4th SEM EC6401 ELECTRONIC CIRCUITS II Answer Key is listed down for students to make perfect utilization and score maximum marks with our study materials.
EC6401 EC-II Important Questions
Uint – 1
Part A
1. Define positive and negative feedback. BTL 1 Remembering
2. List out the three networks that are connected around the basic BTL 1 Remembering amplifier to implement feedback concept.
3. Write about sensitivity and de-sensitivity of gain in feedback BTL 1 Remembering amplifiers.
4. Examine the gain with feedback for the amplifier with open loop BTL 1 Remembering gain of 300 and feedback factor of 0.1.
5. Tabulate the input and output resistances of a negative feedback BTL 1 Remembering amplifier.
6. Identify the type of feedback in the circuit. BTL 1 Remembering
7. Predict the loop gain or return ratio of feedback amplifier. BTL 2 Understanding
8. Discuss the advantages of negative feedback in amplifiers. BTL 2 Understanding
9. Give the reason for negative feedback which increases BTL 2 Understanding bandwidth.
10. Describe the effect of gain in amplifier when voltage shunt & BTL 2 Understanding series feedback is employed.
11. Discover the impact of negative feedback on noise and distortion BTL 3 Applying in amplifier circuits.
12. Calculate the percentage of negative feedback. If the voltage gain BTL 3 Applying of the amplifier is 150 and a feedback used to reduce the distortion of an amplifier by 80 %.
13. Illustrate the current series & current shunt feedback. BTL 3 Applying
14. Analyzing the feedback factor of an amplifier. BTL 4 Analyzing
15. Differentiate Phase margin and Gain margin. BTL 4 Analyzing
16. Explain the decrease in output impedance in feedback amplifiers. BTL 4 Analyzing
17. Summarize the effect of negative feedback on amplifier BTL 5 Evaluating characteristics. 18. Evaluating the Nyquist criterion for stability of feedback BTL 5 Evaluating amplifiers.
19. Creating the equivalent circuit of Trans-conductance amplifier. BTL 6 Creating
20. Compose the stability condition using Nyquist criterion. BTL 6 Creating
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Anna University 4th SEM ECE EC-II Important Questions
EC6401 ELECTRONIC CIRCUITS II Answer Key free download
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EC6401 Answer Key, EC-II Unit wise Important Questions- ECE 4th Semester