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ECE · all questions

VLSI Design And Testing
practice.

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183

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nMOS fabrication process is carried out in . . . . . . . .

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nMOS is . . . . . . . .

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In BiCMOS inverter, the BJT used are . . . . . . . .

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In nMOS device, gate material could be . . . . . . . .

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MOS transistors consist of which of the following?

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In bipolar transistor, which is heavily doped?

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To reduce latch-up effect substrate resistance should be high.

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BiCMOS can be used in . . . . . . . .

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Which expression is true?

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Which is the commonly used bulk substrate in nMOS fabrication?

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What is the design flow of VLSI system?
1. Architecture design
2. Market requirement
3. Logic design
4. HDL coding

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The process by which Aluminium is grown over the entire wafer, also filling the contact cuts is?

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In complementary transistor pull-up, current flows when?

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gm of bipolar is less than gm of MOS.

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gm is . . . . . . . . on input voltage Vbe.

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In inverter circuit . . . . . . . . . transistors is used as load

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Latch-up is brought about by BJTs . . . . . . . .

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In diffusion process . . . . . . . . . impurity is desired.

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For improved base current discharge . . . . . . . . enhancement type nMOS devices have to be added.

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CMOS has . . . . . . . .

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