ANNA UNIVERSITY – CHENNAI
B.E.\B.TECH.DEGREE-EXAMINATION-DECEMBER 2009
THIRD SEMESTER-ELECTRONICS &COMMUNICATIONS ENGG.
ELECTRONIC CIRCUITS-I
PART A-(2*10=20)B.E.\B.TECH.DEGREE-EXAMINATION-DECEMBER 2009
THIRD SEMESTER-ELECTRONICS &COMMUNICATIONS ENGG.
ELECTRONIC CIRCUITS-I
1. Define stability factor.
2. Draw the fixed bias single stage transistor circuit.
3. Define CMRR.
4. Draw the small signal equivalent circuit of FET.
5. Two amplifiers having gain 20db and 40db are cascaded. Find the overall gain in db.
6. Define bandwidth.
7. What is theoretical maximum conversion efficiency of class A power amplifier.
8. What is distortion in power amplifiers.
9. Draw the full wave bridge rectifier circuit.
10. What are the advantages of SMPS over conventional regulators.