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VLSI Interview Questions
Questions Answers Views Company eMail

what is conductance and valence band?

1 4683

What is Fermi level?

5 7055

How does Vbe and Ic change with temperature?

Qualcomm,

2510

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

1 2620

what is Channel length modulation?

Intel,

2 3872

what is the doping?

5 5113

How does a pn junction works?

Wipro,

2 5182

What is the depletion region?

1 4058

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

1 1803

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

Analog Devices,

4 11188

What is the build-in potential?

Wipro,

1 1717

Tell me how MOSFET works.

1554

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

2 9378

How does a Bandgap Voltage reference work?

2768

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

2133


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Un-Answered Questions { VLSI }

Explain what is Verilog?

245


Explain what is scr (silicon controlled rectifier)?

233


Design an 8 is to 3 encoder using 4 is to encoder?

515


Draw the Layout of an Inverter?

1625


Explain about 6-T XOR gate?

260






Give the cross-sectional diagram of the cmos.

214


Draw the SRAM Write Circuitry

234


Explain the Charge Sharing problem while sampling data from a Bus?

3692


Give various factors on which threshold voltage depends.

249


Explain depletion region.

226


Explain what is the use of defpararm?

263


What is threshold voltage?

237


Draw the stick diagram of a NOR gate. Optimize it

231


What is the purpose of having depletion mode device?

203


Explain Cross section of an NMOS transistor?

239