B.TechSemester 52024-25Cmos Analog Vlsi DesignBEC058
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Cmos Analog Vlsi Design (BEC058) - AKTU Question Paper 2024-25

B.Tech · Semester 5 · Free PDF Download

This is the official AKTU Cmos Analog Vlsi Design Previous Year Question Paper for B.Tech Semester 5, academic session 2024-25. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 5
Session:2024-25
University:AKTU / UPTU

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Questions Asked in 2024-25

Cmos Analog Vlsi Design (BEC058) — complete question paper · 70 marks · 3 Hours

Section AAttempt all questions in brief. 2 x 0 7 = 1 4
  • a
    Define the threshold vo ltage of a MOSFET
  • b
    Describe the impact of short channel effects on MOSFET perform ance
  • c
    Explain the concept of a cascode current mirror
  • d
    What are the two main types of noise in CMOS circuits?
  • e
    Why is flicker noise significan t in low-frequency applications?
  • f
    What is a folded casc ode amplifier?
  • g
    Explain the concept of pole-zero compensation
Section BAttempt any three of the following: 07 x 3 = 07
  • a
    Explain the concept of short-channel effects in MOSFETs. How d o t h e y influence device behavior?
  • b
    What is the Miller effect, and how does it impact the freque ncy response of amplifiers?
  • c
    Explain the difference between thermal noise and flicker noi se. Why is flicker noise more prominent at lower frequencies?
  • d
    Explain the design principles of a one-stage CMOS operationa l amplifier. What are its key advantages and limitations compared to a two-stage opamp?
  • e
    Discuss the importance of Design Rule Check (DRC) in the lay out process. How does it ensure the reliability and manufacturability of integrated circuits?
Section CAttempt any one part of the following: 07 x 1 = 07
  • a
    Explain the differences between MOSFET Level 1 and Level 2 m odels
  • b
    Compare the operation of a common-source amplifier with a re sistive load and
  • a
    Explain the working principle of a basic current mirror and discuss its limitations
  • b
    Evaluate the impact of small-signal parameters on the perfor mance of an active current mirror
  • a
    Discuss how feedback affects the loading effects and overall gain in amplifiers
  • b
    Explain the concept of feedback in amplifiers and describe t he four basic feedback topologies
  • a
    Explain the concept of gain boosting in operational amplifie rs. How does it enhance the performance of low-gain stages?
  • b
    Explain the architecture of a telescopic amplifier and its k ey features. Why is it often preferred in low-power applications?
  • a
    Explain the concept of stab ility in multi-stage operational amplifiers. How do phase margin and gain margin influence stability?
  • b
    Derive the expression for the phase margin of a three-stage operational amplifier. Explain how the phase margin affects the amplifier’s transient response

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

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