FEE Unit 3 Notes AKTU (BEC101)

AKTU · BTECH · Semester 1, 2 · Fundamentals of Electronics Engineering · Unit 3 · Notes

AKTU Fundamentals of Electronics Engineering (BEC101) Unit 3 notes for B.Tech Semester 1/2 – Operational Amplifiers. Topics: Op-Amp Fundamentals, Linear…

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Unit 3: Operational Amplifiers – AKTU syllabus topics

  • Op-Amp Fundamentals: Differential and Common Mode, Op-Amp as Comparator
  • Linear Op-Amp Circuits: Inverting and Non-Inverting Amplifier, Summing Amplifier and Follower
  • Integrator and Differentiator: Op-Amp Integrator Circuit, Op-Amp Differentiator Circuit

Most asked AKTU PYQ questions from Unit 3

  1. Q1e. What do you mean by CMRR in OP-AMP. (2 marks, 2021-22)
  2. Q5b. Enlist the characteristics of ideal OP-Amp. Also determine the output voltage of following circuit. (V1=7V via 100kΩ, V2=11V via 20kΩ, Rf=100kΩ, R_ground=20kΩ) (10 marks, 2021-22)
  3. Q1c. What do you mean by CMRR? (2 marks, 2021-22)
  4. Q5a. (i) Draw and explain the working of Integrator and Differentiator using OP-AMP. (ii) Write Short note on basic elements of communication system. (10 marks, 2021-22)
  5. Q5a. Briefly explain: (i) OP-Amp as Non-Inverting Amplifier. (ii) Inverting summer. (iii) Bluetooth and Wi-Fi Technology. (10 marks, 2021-22)
  6. Q5a. (i) Write the comparison between Inverting and Non-inverting Op-Amp. (ii) Describe the Differentiator and Integrator operation of amplifier and also formulate its overall output voltage. (7 marks, 2025-26)
  7. Q5a. Explain the working of integrator and differentiator Op-Amp circuits. Include waveform examples and applications. (7 marks, 2024-25)
  8. Q2d. Explain the working of op-amp as Integrator and derive its output voltage. (7 marks, 2024-25)
  9. Q5b. Determine the output voltage of the given network. (Op-Amp circuit diagram) (7 marks, 2023-24)
  10. Q5a. With the help of the circuit diagram, explain the working of OP-AMP as a non-Inverting summer. (7 marks, 2022-23)

AKTU paper codes: BEC101, BEC201, KEC101, KEC201

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