Lecture Notes || SNS Courseware

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Dept : EEE

Sem : 3

Regul : 2023

Faculty : Ms.R.Revathi

phone : 8973360497

E-mail : revathi.r.eee@snsce.ac.in

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Lecture Notes

UNIT 1:

PN junction diode

Structure, Operation and V-I Characteristics

Zener diode

Half wave and Full wave Rectifiers

LED, Laser diode

Photodiode and PV Cells

voltage regulators, filters, clipper and clamper

clipper

UNIT 2:

UJT

BJT

IGBT

MOSFET

SCR

TRIAC

- PMOS, NMOS, CMOS devices

BJT

CE, CB and CC configuration

JFET

UNIT 3:

Igpt

Bjt small signal

MOSFET characteristics

Igpt

Switching characteristics

Amplifier

High frequency amplifier

Gain and frequency response

UNIT 4:

Cascade amplifier

Differential amplifier

power amplifiers

Neutralization methods,

Single tuned amplifiers

Common mode and Difference mode analysis

Gain and frequency response

Types (Qualitative analysis)

UNIT 5:

Positive feedback

Series & Shunt

Advantages of negative feedback

voltage / current feedback

Colpitts oscillators.

Wien bridge

Hartley oscillators.

Crystal oscillators

Phase Shift

Condition for oscillations,

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