Download PTU B.Tech 2021 Jan ECE 7th Sem 71912 Cmos Based Design Question Paper

Roll No. ____________________ Total No. of Pages : 02

Total No. of Questions : 18 B.Tech. (ECE) (Sem.-7)

CMOS BASED DESIGN

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Subject Code : BTEC-908

M.Code : 71912

Time : 3 Hrs. Max. Marks : 60

INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.

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2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

SECTION-A

Write briefly :

1. Design a 3 input NOR gate using CMOS inverter.

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2. Explain pull-up and pull-down networks for CMOS logic.
3. Draw drain current vs. voltage chart for MOS transistor.
4. Give the steps of CMOS processing.
5. Define photolithography.
6. Define propagation delay time.

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7. What do you mean by linear delay model?
8. Define circuit family.
9. Explain glitching transitions.
10. Define the term sizing.

SECTION-B

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11. Give various design layout rules.
12. Explain the process of Photo masking with a negative resist.
13. Enlist the advantages and disadvantages of scaling.
14. Using static CMOS, design Bubble pushing to convert ANDs and ORs to NANDs and NORs.
15. Explain the optimization of Domino logic.

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SECTION-C

16. Explain all the steps of fabrication process with diagrams.
17. Explain Gate and shallow source/drain formation.
18. Explain transistor and interconnect scaling.

NOTE: Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.

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