PN junction diode – Structure, Operation and V-I Characteristics, Diffusion and Transition capacitance, Diode switching times – Zener diode – Characteristics Applications: Half wave and Full wave Rectifiers, voltage regulators, filters, clipper and clamper, LED, Laser diode, Photodiode and PV Cells

BJT – Characteristics of a NPN Transistor – CE, CB and CC configuration – JFET, MOSFET – structure – operation – characteristics – MOSFET types - PMOS, NMOS, CMOS devices - UJT, SCR, TRIAC and IGBT – Structure and Characteristics.

Transistor Biasing – BJT small signal model – Analysis of CE, CB, CC amplifiers- Gain and frequency response – MOSFET Biasing – MOSFET small signal model– Analysis of Common Source and Source follower – Gain and frequency response- High frequency analysis

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)

Advantages of negative feedback – voltage / current – Series & Shunt feedback – Positive feedback – Condition for oscillations, Phase Shift – Wien bridge, Hartley, Colpitts and Crystal oscillators.