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DI01009011 · Semester 1 · 5G scheme

Electronics Devices & Circuits

Notes and solutions following the Gujarat Technological University (GTU) syllabus for DI01009011. Independent material — not issued by the university.

Electrical Engineering

Materials

Syllabus

The official syllabus this material follows.

  • Syllabus

    5 pages

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Complete Book

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

Past Papers

Original question papers from previous exams.

  • DI01009011 w2024 solution

    25 pages · English + ગુજરાતી

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  • Winter 2025 question paper

    3 pages

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  • Summer 2025 question paper

    2 pages

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  • Winter 2024 question paper

    2 pages

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PYQ Solutions

Past university papers, fully solved.

  • Solved past papers — detailed answers

    79 pages · English + ગુજરાતી

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  • Solved past papers — detailed answers

    70 pages · English + ગુજરાતી

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Syllabus units

Unit 1: Basics of semiconductor and its applications
  • Semiconductor properties and bonds in semiconductor
  • Intrinsic and extrinsic semiconductor materials: P type & N type
  • P-N junction diode, Zener diode
  • Applications of Diode as half wave & full wave rectifier.
  • C, L, LC, π filters.
Unit 2: Transistor and amplifiers
  • Introduction of Transistor, PNP and NPN transistors, conduction through transistor, Leakage current, relationship between α and β.
  • Transistor configuration & Characteristics for CE.
  • Biasing methods of Transistor
  • Transistor as a Switch: Working and application.
Unit 3: Semiconductor and Opto electronic devices
  • Introduction and working principle of MOSFET, DIAC, TRIAC, UJT, SCR, Photo diode, Photo transistor, LDR, Seven Segment LED display
  • Optical fibre: Construction and working principle only.

About this course

Electrical engineer must have knowledge about electronics devices because now a days in industry many electronics components used, So to meet industrial demands this course discuss about construction, working and applications of various types of semiconductor devices, which are used in electronics circuits. Students must be equipped with the fundamental knowledge about electronic components like diode, transistor for successful handling of industrial problems. The skill developed in this course is handling all types of electronics devices.