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VLSI Interview Questions
Questions Answers Views Company eMail

what is conductance and valence band?

1 6680

What is Fermi level?

5 11185

How does Vbe and Ic change with temperature?

Qualcomm,

3568

If the substrate doping concentration increase, or temperature increases, how will Vt change? it increase or decrease?

1 4772

what is Channel length modulation?

Intel,

2 7446

what is the doping?

5 8930

How does a pn junction works?

Wipro,

2 7830

What is the depletion region?

1 5780

Tell me the parameters as many as possible you know that used to character an amplifier?

1 3722

What are the two types of noise of MOSFET, how to eliminate them?(Thermal and Flicker).

Analog Devices,

4 15133

What is the build-in potential?

Wipro,

1 3398

Tell me how MOSFET works.

2476

For a 0.18um and 0.8um technology MOSFET, which has a higher cutoff frequency?

2 11928

How does a Bandgap Voltage reference work?

3970

What is the ideal input and output resistance of a current source?

3061


Post New VLSI Questions

Un-Answered Questions { VLSI }

Explain what is multiplexer?

1128


For CMOS logic, give the various techniques you know to minimize power consumption

1453


How about voltage source?

2323


what is a sequential circuit?

1244


what are three regions of operation of MOSFET and how are they used?

1297


Explain about 6-T XOR gate?

1364


Describe the various effects of scaling?

4835


Explain the three regions of operation of a mosfet.

1141


For a single computer processor computer system, what is the purpose of a processor cache and describe its operation?

2447


Implement a function with both ratioed and domino logic and merits and demerits of each logic?

3846


Draw the timing diagram for a SRAM Read. What happens if we delay the enabling of Clock signal?

1184


What transistor level design tools are you proficient with? What types of designs were they used on?

5107


How does Vbe and Ic change with temperature?

3568


For f = AB+CD if B is S-a-1, what are the test vectors needed to detect the fault?

1296


Explain Cross section of an NMOS transistor?

1070