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SYLLABUS

UNIT-1:

PN Junction Devices PN junction diode – Structure, Operation and V-I characteristics, Diffusion and transition capacitance – Rectifiers – Half wave and Full wave rectifier – Display devices – LED, Laser diodes, Zener diode characteristics – Zener Reverse characteristics – Zener as regulator.

UNIT-2:

Transistors and Thyristors BJT, JFET, MOSFET – Structure, Operation, Characteristics and Biasing UJT, Thyristors and IGBT – Structure and characteristics.

UNIT-3:

Amplifiers 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.

UNIT-4:

Multistage Amplifiers and Differential Amplifier 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).

UNIT-5:

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