B.E-B.E Electronics and Communication Engineering Electronic Circuits I (Sathyabama University, Chennai, Tamil Nadu-2011)
Monday, 19 August 2013 07:39Duraimani
(Established under section 3 of UGC Act,1956)
Course & Branch :B.E - P-ECE
Title of the Paper :Electronic Circuits I Max. Marks:80
Sub. Code :SECX1012 (2010-11) Time : 3 Hours
Date :10/12/2011 Session :FN
PART - A (10 x 2 = 20)
Answer ALL the Questions
1. Define TUF.
2. State the advantages of Bleeder Resistor.
3. What do you mean by transistor cutoff frequencies?
4. Draw the D.C equivalent circuit of BJT.
5. Define Pinch off voltage.
6. What is the difference between Enhancement mode and Depletion mode MOSFET?
7. Define Distortion
8. What is the importance of thermal stability?
9. What is miller effect?
10. What is transformer coupling?
PART – B (5 x 12 = 60)
Answer All the Questions
11. Compare the Performance measures of rectifiers.
(or)
12. Explain L, C, L-C filters with relevant diagrams.
13. Explain Transistor amplifier current gain, input impedance, voltage gain, output impedance and power gain using h – parameters.
(or)
14. Describe A.C and D.C load lines.
15. Explain the Small signal parameters of JFET with expressions.
(or)
16. With diagram explain FET voltage divider bias.
17. Explain Class A amplifier with relevant diagrams.
(or)
18. Explain Complementary symmetry amplifier and their applications.
19. Write short notes on Cascode and Cascade Amplifiers.
(or)
20. Explain the high frequency response of BJT amplifier.
| Earning: ₹ 4.95/- |
