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DI03011021 · Semester 3 · 5G scheme

Applied Electronics

Notes and solutions following the Gujarat Technological University (GTU) syllabus for DI03011021. Independent material — not issued by the university.

Electronics & Communication Engineering

Materials

Syllabus

The official syllabus this material follows.

  • Syllabus

    4 pages

    FreeRead

Complete Book

The whole syllabus, unit by unit, written for the exam.

Problem Solver

Step-by-step solutions to typical problems.

Slides

Lecture slides for revision.

PYQ Solutions

Past university papers, fully solved.

  • Solved past papers — detailed answers

    74 pages · English + ગુજરાતી

    Premium Preview · 26 pages

Syllabus units

Unit 1: Operational Amplifiers (Op Amps)
  • Basic block diagram and working of an operational amplifier
  • Describe IC 741 as an Op-Amp
  • Pin configuration of IC 741
  • Op-Amp: open loop and closed loop
  • Parameters of operational amplifier like, Input and output offset voltage, Input offset current, Input bias current, CMRR, slew rate
  • The ideal Op.Amp
  • Equivalent circuit of Op.Amp
  • Applications of operational amplifiers like Inverting and non-inverting amplifier, Summing amplifier, Comparator, Differentiator, Integrator, Schmitt trigger
Unit 2: Introduction to Thyristors
  • Construction, Symbol, working, characteristic and applications of electronics devices like SCR, DIAC, TRIAC, GTO, IGBT, and MCT
  • Working of SCR using two transistor analogy
  • Construction and working of Opto-Isolators, Opto-TRIAC, Opto-SCR(LASCR), and Opto-transistor
  • List advantages, applications of Opto-Isolators
  • Solid state relay using Opto-Isolators
Unit 3: Turn on and Turn off methods of Thyristor
  • Triggering (Turn on) methods of SCR
  • Commutation(Turn off) techniques of SCR
  • Thyristor protection: Over current protection, Over voltage protection, Snubber circuit, Gate protection
Unit 4: Power Converters
  • Compare Single phase rectifiers and poly phase rectifiers
  • Describe the applications of Poly-phase rectifiers
  • Single phase control rectifier using SCR
  • Poly phase rectifiers
  • Three-phase H.W. & three-phase F.W. rectifiers
  • Inverters: Series, Parallel and bridge Inverters
  • Principle & working of Chopper circuits
  • Describe the applications of Chopper
  • Single phase cyclo converters
  • Describe the working of UPS & SMPS with the help of block diagram
  • List the applications of UPS & SMPS
Unit 5: Industrial Electronics Applications
  • Static switch using SCR
  • Static circuit breaker using SCR
  • Single phase AC power control using diac-triac
  • DC power control circuit using SCR with UJT in triggering circuit
  • Photo electric relay/switch using LDR, LASCR, photo diode
  • Solar Photovoltaic (PV) based power generation
  • RF Heating: Induction heating, Dielectric heating
  • Stepper motor - construction, working and its applications
  • Programmable Logic Control - block diagram, working, advantages, applications

About this course

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