ANALOG ELECTRONICS - 4BPH5C1
III INTERNAL TEST
PART –A 5 x 2 =10 MARKS
1. WHAT IS DOPING?2. DRAW THE SYMBOL OF ZENER DIODE.
3. DEFINE BAND WIDTH
4. WHAT IS THE ADVANTAGE OF USING NEGATIVE FEEDBACK IN AMPLIFIRES?
5. DEFINE CMRR.
PART – B 4 x 5 = 20 MARKS
6. EXPLAIN VOLT-AMPERE CHARACTERISTICS OF ZENER DIODE.7. EXPLAIN THE h PARAMETERS OF A TRANSISTOR.
8. COMPARE DIFFERENT TYPES OF COUPLING IN MULTISTAGE AMPLIFIER.
9. DESCRIBE THE WORKING OF A PHASE SHIFT OSCILLATOR WITH NEAT DIAGRAM.
PART – C 2 x 10 = 20 MARKS
10. DISCUSS AC AND DC EQUIVALENT CIRCUITS OF A TRANSISTOR AMPLIFIER.11. DESCRIBE THE WORKING OF COLPITTS OSCILLATOR.