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EndsemMay 20252019 patternSE Electrical

Analog and Digital Electronics (ADE) SPPU Endsem Question Paper May 2025

All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated ADE questions
Pattern
2019 pattern
Exam
Endsem
Session
May 2025
Max. marks
70
Time
2½ Hours
Semester
III
Paper code
[6402]-13

Printed for: S.E. (Electrical)

Questions

  1. Q1

    1. a)

      Explain working of SRAM with diagram.

      [6]
    2. b)

      Explain Programmable Logic Array. Implement the following Boolean functions using PLA: A=XY+XZ' B=XY'+YZ+XZ'

      [6]
    3. c)

      Write a short note on FPGA

      [6]

  2. Q2

    1. a)

      Explain working of DRAM with diagram.

      [6]
    2. b)

      Write a short note on CPLD.

      [6]
    3. c)

      Explain Programmable Array Logic in detail.

      Also asked:Nov 2023

      [6]

  3. Q3

    1. a)

      Explain OPAMP as voltage to current converter.

      [5]
    2. b)

      Explain working of OPAMP as instrumentation amplifier.

      Also asked:Nov 2023

      [5]
    3. c)

      Explain the working of OPAMP as a comparator along with circuit diagram and input and output waveforms. 2

      [8]

  4. Q4

    1. a)

      With the help of neat diagrams, explain OPAMP as peak detector.

      [5]
    2. b)

      Define the characteristics of practical OPAMP.

      Also asked:Nov 2023

      [5]
    3. c)

      Explain generation of saw tooth waveform using OPAMP. Draw input & output waveforms.

      [8]

  5. Q5

    1. a)

      Explain High pass filter using op-amp with its frequency response.

      Also asked:Nov 2024 ·Nov 2023 ·May 2023

      [5]
    2. b)

      Explain the function of LM 317 as adjustable voltage regulator.

      Also asked:Nov 2025

      [5]
    3. c)

      Draw the diagram of IC 555 configured in monostable mode. Draw necessary waveforms.

      [7]

  6. Q6

    1. a)

      What is the difference between fixed and variable voltage regulators? Explain IC78XX and IC 79XX series regulators.

      [5]
    2. b)

      Explain the operation of IC555 as astable multivibrator along with waveforms.

      [5]
    3. c)

      Draw and explain frequency response characteristic of ideal and practical Low Pass Filter.

      Also asked:Nov 2024 ·Nov 2023 ·May 2023

      [7]

  7. Q7

    1. a)

      Explain working of single phase full wave bridge rectifier supplying R-L load.

      Also asked:Nov 2025 ·Nov 2024 ·May 2024 ·Nov 2023 ·May 2023

      [5]
    2. b)

      Draw neat diagram and explain single phase half wave rectifier with pure resistive load. Also define peak inverse voltage.

      [5]
    3. c)

      Explain in detail the working of center tapped rectifier connected to the R-L load.

      [7]

  8. Q8

    1. a)

      Explain working of single phase half wave rectifier with RL load.

      Also asked:Nov 2025 ·Nov 2024 ·May 2024 ·Nov 2023 ·May 2023

      [5]
    2. b)

      Explain the working of single-phase full wave centre tapped rectifier with pure resistive load. Also draw the input and output waveforms.

      Also asked:Nov 2025 ·Nov 2024 ·May 2024 ·Nov 2023 ·May 2023

      [5]
    3. c)

      This part has equations that don’t show as text. Open the PDF to read it.

      [7]