Syllabus Electronic Devices and Circuits - (EC205ES) UNIT - I Diodes : Diode - Static and Dynamic resistances, Equivalent circuit, Diffusion and Transition Capacitances, V - I Characteristics, Diode as a switch - switching times. (Chapter - 1) UNIT - II Diode Applications : Rectifier - Half Wave Rectifier, Full Wave Rectifier, Bridge Rectifier, Rectifiers with Capacitive and Inductive Filters, Clippers - Clipping at two independent levels, Clamper - Clamping Circuit Theorem, Clamping Operation, Types of Clampers. (Chapter - 2) UNIT - III Bipolar Junction Transistor (BJT) : Principle of Operation, Common Emitter, Common Base and Common Collector Configurations, Transistor as a switch, switching times. (Chapter - 3) UNIT - IV Junction Field Effect Transistor (FET) : Construction, Principle of Operation, Pinch-Off Voltage, Volt- Ampere Characteristic, Comparison of BJT and FET, FET as Voltage Variable Resistor, MOSFET, MOSFET as a capacitor. (Chapter - 4) UNIT - V Special Purpose Devices : Zener Diode - Characteristics, Zener diode as Voltage Regulator, Principle of Operation - SCR, Tunnel diode, UJT, Varactor Diode, Photo diode, Solar cell, LED, Schottky diode. (Chapter - 5)
