Anna University · Regulation 2021
EC 3353 Electronic Devices and Circuits question papers
EC3353 Electronic 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
- April/May 2025
Question paper code 90982
- November/December 2024
Question paper code 40980
- April/May 2024
Question paper code 50959
- November/December 2023
Question paper code 20926
- April/May 2023
Question paper code 30139
- November/December 2022
Question paper code 70086
Syllabus
Unit 1: Semiconductor Devices9 hours
PN junction diode · Zener diode · BJT · MOSFET · UJT · structure · operation and V-I characteristics · diffusion and transition capacitance · Rectifiers · Half Wave and Full Wave Rectifier · Zener as regulator
Unit 2: Amplifiers9 hours
Load line · operating point · biasing methods for BJT and MOSFET · BJT small signal model · Analysis of CE · CB · CC amplifiers · Gain and frequency response · MOSFET small signal model · Analysis of CS · CG and Source follower · Gain and frequency response · High frequency analysis
Unit 3: Multistage Amplifiers and Differential Amplifier9 hours
Cascode amplifier · Differential amplifier · Common mode and Difference mode analysis · MOSFET input stages · tuned amplifiers · Gain and frequency response · Neutralization methods
Unit 4: Feedback Amplifiers and Oscillators9 hours
Advantages of negative feedback · Voltage / Current · Series · Shunt feedback Amplifiers · positive feedback · Condition for oscillations · phase shift · Wien bridge · Hartley · Colpitts and Crystal oscillators
Unit 5: Power Amplifiers and DC/DC Converters9 hours
Power amplifiers · class A · Class B · Class AB · Class C · Power MOSFET · Temperature Effect · Class AB Power amplifier using MOSFET · DC/DC convertors · Buck · Boost · Buck-Boost analysis and design