Wednesday, July 23, 2008

VLSI Interview QUESTIONS(Part 2)

1. Write a stick diagram for basic gates

2. Define the parasitics present in a MOSFET

3. I V characteristics of a MOSFET?

4. Why is the current constant in a VI characteristics?

5. On increasing Vgs beyond threshold voltage there is a reduction in current using the normal diode equation why?

6. What is Channel Length Modulation?

7. Write a SPICE program for instantiating a MODEL of MOSFET?

8. What is Charge feedthrough?

9. What is transconductance and mention some features?

10. Metastability

11. How is Sensitivity of a Voltage reference defined?

12. What is thermal voltage and how much is the value?

13. Why is 0.7V the minimum voltage of a diode?

14. Draw CMOS amplifier characteristics?

15. What is ringing voltage?

16. A circuit with a FB diode and battery is wired. Where does the electrons and the holes flow in the circuit?

17. What is totoem pole arrangement. Why is it necessary?

18. What is 1/f Noise and how does the noise vary in PMOS and NMOS?

19. Design flow of a VLSI Design?

These questions are contributed by friends and many knowledgeable people across the globe. Their contributions are appreciated.


For ANSWERS do mail me

No comments: