ELECTRONICS CIRCUITS-1 QUESTION BANK

             

             DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING,
            ECE FOURTH SEMESTER ELECTRONICS CIRCUITS-I QUESTION BANK 
                                                                     2 MARKS
1. What are the transistor parameters that vary with the temperature?

2. What is Bias? What is the need for biasing?

3. What do you understand by DC & AC load line?

4. What is the meant by operating point Q?

5. What are the types of biasing?

6. What are all the factors that affect the stability of the operating point?

7. Define stability factor ‘S’?

8. What are the disadvantages of collector feedback bias?

9. Why voltage divider bias is commonly used in amplifier circuit?

10. Define the stability factors S’ and S’’ ?

11. Give the stability factor S for the fixed bias circuit.

12. Give the stability factor S for the Collector to base bias circuit.

13. Give the stability factor S for the Voltage divider bias circuit.

14. Why fixed bias circuit is not used in practice?

15. What are all the compensation techniques used for bias stability?

16. Why the input impedance of FET is more than that of a BJT?

17. How FET is known as Voltage variable resistor?

18. List the advantages of Fixed bias method?

19. How self-bias circuit is used as constant current source?

20. What is Thermal runaway?

21. What are the consideration factors that are used for the selection of an operating point for an FET amplifier?

22. Write the different types of FET biasing circuits.

23. What is meant by stabilization?

24. What is variation of quiescent point?

 25. Define bias stability.

26. What is meant by compensation techniques?