Solved question paper for AC May-2023 (B-TECH 4th)

Solved Question Paper

Analog Circuits May-2023

PTU • B-TECH • Electronics and Communication Engineering • 4th • May-2023

Analog Circuits previous year question papers on BRpaper are organized for students of Punjab Technical University’s Bachelor of Technology program in the Electronics and Communication Engineering stream, 4th semester. This section makes it easier to browse subject-wise old question papers for Analog Circuits, so students can review how questions are typically framed in past exams and get a sense of the exam pattern. Many students search for analog circuits question bank with answers while preparing for exams, and this page is built to support exactly that kind of subject-wise browsing and revision. BRpaper is not the official website of Punjab Technical University or any institution, and it does not publish official notices or academic updates.

Solved Questions

Solved
  1. What is Q point in transistor biasing?
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  2. Compare the common collector configuration to common emitter of BJT amplifier.
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  3. What is negative voltage clamping?
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  4. Draw the output and transfer characteristics of MOSFET.
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  5. Draw the circuit diagram for Colpitts oscillator.
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  6. What is Barkhausen criteria?
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  7. Compare Class-B to Class-C power amplifier.
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  8. What is Zener breakdown in PN junction diode?
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  9. Draw the high-frequency model of BJT.
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  10. Define the stability factors of the BJT amplifier.
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  11. For the following circuit, if $R_D=1 ext{ k}Omega$, $R_E=1 ext{ k}Omega$, $R_C=10 ext{ k}Omega$, $V_{BE}=0.7 ext{ V}$, $V_{CC}=5 ext{ V}$ common base current gain ($eta$) of the transistor is 0.99. Find out the base current.
    Long Answer 5 Marks May-2023 • PTU B-TECH
  12. The open loop gain (A_OL) of a voltage amplifier is 50. The overall gain (A_ACL) was reduced to 25 when negative feedback was applied. Calculate the fraction of the output voltage feedback.
    Long Answer 5 Marks May-2023 • PTU B-TECH
  13. If this fraction is maintained, calculate the value of the amplifier gain required if overall stage gain is to be 30.
    Long Answer 5 Marks May-2023 • PTU B-TECH
  14. Determine and sketch output voltage, V_o for the network shown in the following figure: Input voltage V_i is a square pulse varying from -20 V to +20 V. Diode D is the ideal diode. Justify your answer.
    Long Answer 5 Marks May-2023 • PTU B-TECH
  15. A Hartley Oscillator circuit having two individual inductors of 0.5uH each, are designed to resonate in parallel with a variable capacitor that can be adjusted between 100pF and 500pF. Determine the upper and lower frequencies of oscillation and also the Hartley oscillators bandwidth.

    Long Answer 5 Marks May-2023 • PTU B-TECH


  16. What is cross-over distortion? How can that be eliminated?
    Long Answer 5 Marks May-2023 • PTU B-TECH
  17. Differentiate a power amplifier from a voltage amplifier.
    Long Answer 10 Marks May-2023 • PTU B-TECH
  18. Derives the maximum efficiency of Class-B power amplifiers.
    Long Answer 10 Marks May-2023 • PTU B-TECH
  19. Derive an expression for input impedance, output impedance, voltage gain and current gain for the emitter follower circuit.
    Long Answer 10 Marks May-2023 • PTU B-TECH
  20. Discuss types of feedback and compare them.
    Long Answer 10 Marks May-2023 • PTU B-TECH
  21. Explain the operation of RC-phase shift oscillator.
    Long Answer 10 Marks May-2023 • PTU B-TECH

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01 Where can I find Analog Circuits previous year question papers for Bachelor of Technology Electronics and Communication Engineering, 4th semester?

This page lists Analog Circuits question papers uploaded for Punjab Technical University Bachelor of Technology Electronics and Communication Engineering, 4th semester, organized for subject-wise browsing where available.

02 Are these official Punjab Technical University question papers?

BRpaper is not the official website of Punjab Technical University. These papers are shared for reference and revision purposes only and are not official university material.

03 How can previous year Analog Circuits papers help in exam preparation?

Reviewing past papers can help you understand how questions are typically framed, notice commonly repeated topics, and get a sense of the exam pattern before your own exam.

04 What kind of topics does Analog Circuits usually cover?

The question papers here relate to the official Analog Circuits syllabus set by the university for this course and semester.

05 Does this page include a Analog Circuits question bank with answers or solved answers?

This page focuses on providing access to the previous year question papers themselves. A separate question bank or solved answers may not be available for every paper.

06 Can I find papers for other subjects in the same Bachelor of Technology Electronics and Communication Engineering?

Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Punjab Technical University Bachelor of Technology Electronics and Communication Engineering.