Electronic Devices and Circuits - Partial Exam
An exam ticket consists on: one problem and one normal subject or three short subjects.
The exam will take place in room N-II-1, at 16:00 on Friday, May 8, 2009 (or room N-II-8, at
15:00 on Wednesday, April 29).
1.1
PROBLEMS:
1. Voltage and current divider;
2. Diode rectifier;
3. C filter diode rectifier;
4. Diode limiters;
5. Zener shunt voltage regulator;
6. BJT emitter bias.
7. Four resistors bias network for BJT;
8. Q-point for two BJTs circuit;
9. Common Emitter (CE) amplifier;
10. Common Collector Amplifier (Emitter Follower);
11. CE amplifier with RE;
1.2
1.
2.
3.
4.
NORMAL SUBJECTS:
The diode: main characteristic, symbol, the Exponential Diode forward and reverse bias;
Diode Rectifiers without Filters and Capacitive Input Filters for Diode Rectifiers;
The Physical Basis of Transistor Operation and Equivalent Circuit Models.
BJTs ac Equivalent Circuits and the Simplified ac Models;
1.3
SHORT SUBJECTS:
1. Ideal independent sources and their suppression;
2. Resistors in series and voltage divider;
3. Resistors in parallel and current divider;
4. Thévenin equivalent circuit;
5. The ideal diode;
6. The constant voltage-drop model of the diode;
7. Diode limiters;
8. Zener shunt voltage regulator;
9. BJT – definitions, symbols and modes of operation;
10. The transistor inverter;
11. The superposition theorem for ac-dc circuits;
12. Base bias for BJTs;
13. Emitter bias for BJTs.
14. Voltage Divider Bias for BJTs;
15. The Voltage Amplifier Model;
16. The Common Emitter Amplifier Parameters;
17. The Emitter Follower Parameters;
18. The “Complete” Hybrid- Model;
19. The Common Emitter with Emitter Resistance Amplifier Parameters;
20. The h-parameters Model of BJTs;
21. Power Amplifiers, Classification of Output Stages;
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