MLR Institute of Technology - LMS

UNIT-I

SINGLE STAGE AMPLIFIER AND MULTISTAGE AMPLIFIER

Classes: 12

SINGLE STAGE AMPLIFIERS: Classification of Amplifiers, Distortion in amplifiers, Analysis of CE, CC and CB configurations with simplified hybrid model, Analysis of CE amplifier with emitter resistance. Miller's theorem and its dual. Design of single stage RC coupled Amplifier using BJT.

MULTISTAGE AMPLIFIERS: Different Coupling Schemes used in Amplifiers. Analysis of Cascaded RC coupled amplifier, Cascode Amplifier and Darlington Pair.

UNIT-II

SMALL SIGNAL AND LARGE SIGNAL AMPLIFIER ANALYSIS

Classes: 12

BJT AMPLIFIERS: Frequency response, effect of coupling and bypass capacitors, hybrid-pi model of CE amplifier, CE short circuit current gain,Gain-BandwidthProduct.

LARGE SIGNAL AMPLIFIERS: Classification, series fed and transformer coupled class A power amplifiers. Efficiency of Class A amplifiers. Push pull and complementary symmetry Class B power amplifiers, Efficiency of Class B amplifiers. Distortion in PowerAmplifiers.

UNIT-III

CONCEPTS OF FEEDBACK AMPLIFIER AND OSCILLATORS

Classes: 10

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NEGATIVE FEEDBACK AMPLIFIERS: General characteristics of negative feedback amplifiers. Effect of negative feedback on amplifier characteristics. Voltage Series, Voltage Shunt, Current Series and Current Shunt Feedback Configurations.

OSCILLATORS:Barkhausen criterion, RC Phase shift oscillators, Wien Bridge oscillators, Hartley oscillators, Colpitts oscillators, and crystal oscillators.

 

UNIT-IV

LINEAR AND NON LINEAR WAVE SHAPING

Classes: 14

LINEAR WAVE SHAPING:High pass and low pass RC circuits, their response for Step, Pulse and Squareinputs. HPF asDifferentiator and LPF as an integrator, basic concepts ofattenuators.

NON-LINEAR WAVE SHAPING: Diode and transistor clippers, clamping circuits, clamping circuit theorem, comparator and its applications.

UNIT-V

MULTIVIBRATORS AND SWEEP GENERATORS

Classes: 10

 

MULTIVIBRATORS: Analysis of Bistable, Monostable and AstableMultivibrators, Schmitt Trigger usingTransistors.

SWEEEP GENERATORS: Operation and applications of bootstrap and miller time base generators.