UNIT-I PN JUNCTION DEVICES

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

UNIT-II TRANSISTORS AND THYRISTORS

BJT,JFET,MOSFET – structure, operation , Characteristics and Biasing UJT, Thyristors and IGBT – Structures and Characteristics.

UNIT -III AMPLIFIERS

BJT small signal model -Analysis of CE ,CB ,CC amplifiers – Gain and frequency response -MOSFET Small signal model -Analysis of CS and frequency response -high frequency analysis.

UNIT- IV MULTISTAGE AMPLIFIERS AND DIFFERNTIAL AMPLIFIER

BIMOS cascade amplifier, Differential amplifier -Common mode and difference mode analysis -FET input stages -signal tuned amplifiers -Gain and frequence response -Neutralization methodes ,power amplifiers -type (Qualitative analysis)

UNIT- V FEEDBACK AMPLIFIERS AND OSCILLATORS

Advantages of negative feedback – voltage /current ,series ,shunt feedback -positive  feedback -Condition for oscillations, phase shift-Wien bridge, Hartley Colpitts and Crystal oscillators.