VLSI Interview Questions
Questions Answers Views Company eMail

what is conductance and valence band?

1 2853

What is Fermi level?

5 4270

How does Vbe and Ic change with temperature?

Qualcomm,

1652




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

1080

what is Channel length modulation?

Intel,

1362

what is the doping?

5 2835

How does a pn junction works?

Wipro,

1 3352

What is the depletion region?

1 2696




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

795

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

Analog Devices,

4 8106

What is the build-in potential?

Wipro,

822

Tell me how MOSFET works.

956

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

2 6123

How does a Bandgap Voltage reference work?

1666

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

1536


Post New VLSI Questions






Un-Answered Questions { VLSI }

How can you model a SRAM at RTL Level?

3482


Describe a finite state machine that will detect three consecutive coin tosses (of one coin) that results in heads.

1127


What are the ways to Optimize the Performance of a Difference Amplifier?

823


Explain the working of differential sense amplifier?

3400


What was your role in the silicon evaluation/product ramp? What tools did you use?

1991


What work have you done on full chip Clock and Power distribution? What process technology and budgets were used?

1187


Describe the various effects of scaling?

2708


Basic Stuff related to Perl?

1322


Explain the operation considering a two processor computer system with a cache for each processor.

1248


What is the critical path in a SRAM?

1490


If an/ap = 0.5, an/ap = 1, an/ap = 3, for 3 inverters draw the transfer characteristics?

935


What happens if we use an Inverter instead of the Differential Sense Amplifier?

1148


What types of CMOS memories have you designed? What were their size? Speed?

1306


What is pipelining and how can we increase throughput using pipelining?

2249


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

3189