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Unit -1 

Semiconductor Diode,Depletion layer, V-I characteristics, ideal and practical, diode resistance,capacitance,Diode Equivalent Circuits, Transition and Diffusion Capacitance,Zener Diodes breakdown mechanism (Zener and avalanche),Diode Application Series , Parallel and Series, Parallel Diode Configuration,

Half and Full Wave rectification, Clippers, Clampers, Zener diode as shunt regulator, Voltage-Multiplier Circuits,Special Purpose two terminal Devices Light-Emitting Diodes, 

Varactor (Varicap),Diodes, Tunnel Diodes, Liquid-Crystal Displays.

Lecture 1    Lecture 2    Lecture 3   Lecture 4   Lecture 5   Lecture 6   Lecture 7   Lecture 8   Lecture 9   Lecture 10   

Unit -2

Bipolar Junction Transistor

Transistor Construction, Operation, Amplification action. Common Base, Common Emitter, Common Collector Configuration

DC Biasing BJTs

Operating Point, Fixed-Bias, Emitter Bias, Voltage-Divider Bias Configuration. Collector Feedback, Emitter-Follower Configuration. Bias Stabilization. CE,CB,CC amplifiers and analysis of single stage CE amplifier

Field Effect Transistor

Construction and Characteristic of JFETs. Transfer Characteristic. CS,CD,CG amplifier and analysis of CS amplifier MOSFET (Depletion and Enhancement)Type, Transfer Characteristic.

Lecture 1    Lecture 2    Lecture 3   Lecture 4   Lecture 5   Lecture 6   Lecture 7   Lecture 8   Lecture 9   Lecture 10  Lecture 11  Lecture 12  Lecture 13 

Unit -3

Operational Amplifiers

Introduction, Differential Amplifier Circuits, Op-Amp Basic, Practical Op-Amp Circuits (Inverting Amplifier, Noninverting Amplifier, Unit Follower, Summing Amplifier, Integrator, Differentiator). Differential and Common-Mode Operation

 Lecture 1    Lecture 2    Lecture 3   Lecture 4   Lecture 5   Lecture 6

Unit -4

Digital Voltmeter : Introduction, RAMP Techniques ,Digital Multimeters

Oscilloscope: Introduction, Basic Principle, CRT , Block Diagram of Oscilloscope,

Simple CRO, Measurement of voltage , current phase and frequency using CRO

 Lecture 1    Lecture 2    Lecture 3   Lecture 4   Lecture 5

Unit -5

Fundamentals of Communication Engineering :

Elements of a Communication System, Need of modulation, electromagnetic spectrum and typical applications,

terminologies in communication systems, Basics of signal representation and analysis,

Fundamentals of amplitude and angle modulation, modulation and demodulation

Lecture 1    Lecture 2    Lecture 3   Lecture 4   Lecture 5   Lecture 6   Lecture 7   Lecture 8