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Anna University · Regulation 2021

EC 3301 Electron Devices and Circuits question papers

EC3301 Electron Devices and Circuits previous year question papers from Anna University (Regulation 2021), with the full syllabus. Read online or download the PDF.

Third semester · Core · L T P C: 3 0 0 3

Question papers

Syllabus

  1. Unit 1: PN Junction Devices9 hours

    PN junction diode · structure · operation and V-I characteristics · diffusion and transition capacitance · Clipping & Clamping circuits · Rectifiers · Half Wave and Full Wave Rectifier · Display devices · LED · Laser diodes · Zener diode characteristics · Zener diode Reverse characteristics · Zener diode as regulator

  2. Unit 2: Transistors and Thyristors9 hours

    BJT · JFET · MOSFET · structure · operation · characteristics and Biasing UJT · Thyristors and IGBT · Structure and characteristics

  3. Unit 3: Amplifiers9 hours

    BJT small signal model · Analysis of CE · CB · CC amplifiers · Gain and frequency response · MOSFET small signal model · Analysis of CS and Source follower · Gain and frequency response · High frequency analysis

  4. Unit 4: Multistage Amplifiers and Differential Amplifier9 hours

    BIMOS cascade amplifier · Differential amplifier · Common mode and Difference mode analysis · FET input stages · Single tuned amplifiers · Gain and frequency response · Neutralization methods · power amplifiers · Types (Qualitative analysis)

  5. Unit 5: Feedback Amplifiers and Oscillators9 hours

    Advantages of negative feedback · voltage / current · series · Shunt feedback · positive feedback · Condition for oscillations · phase shift · Wien bridge · Hartley · Colpitts and Crystal oscillators