electronic circuits analysis(2-2)

(16EC407)

UNIT I
SMALL SIGNAL LOW FREQUENCY TRANSISTOR AMPLIFIER ANALYSIS
BJT: Transistor hybrid model, determination of h-parameters, conversion of h-parameters,
generalized analysis of transistor amplifier model using h-parameters, Analysis of CB, CE
and CC amplifiers using exact and approximate analysis, Analysis of CE Amplifier with
emitter resistance, Emitter follower, and design of single stage RC coupled Amplifier.
Comparison of transistor amplifier parameters.
FET: Analysis of Common Source and Common Drain Amplifier circuits at low frequencies.
UNIT II
SMALL SIGNAL HIGH FREQUENCY TRANSISTOR AMPLIFIER ANALYSIS
BJT: Transistor at High Frequencies, Hybrid- π Common Emitter transistor model, Hybrid π
conductance‘s, Hybrid π capacitances, Validity of hybrid π model, determination of highfrequency parameters in terms of low-frequency parameters , CE short circuit current gain,
Current gain with resistive load, Cut-off frequencies, Frequency Response and Gain
Bandwidth product.
UNIT III
MULTISTAGE AMPLIFIERS: Classification of amplifiers, Methods of coupling, Cascade
transistor amplifier and its analysis, Cascode amplifier, Darlington pair and its analysis, Bootstrap emitter follower, Effect of cascading on Bandwidth.

UNIT IV
FEEDBACK AMPLIFIERS: Feedback concept, types of feedback, feedback amplifier
topologies, Characteristics of negative feedback amplifiers, Generalized analysis of feedback
amplifiers, Performance comparison of feedback amplifiers, Analysis of Feedback
Amplifiers.
OSCILLATORS: Principle of operation, Barkhausen Criterion, types of oscillators,
Analysis of RC-phase shift and Wein bridge oscillators using BJT, Generalized analysis of
LC Oscillators, Hartley and Colpitt‘s oscillators with BJT, Crystal oscillators, Frequency and
amplitude stability of oscillators.
UNIT V
POWER AMPLIFIERS: Types, Class A large signal Amplifiers, Second harmonic
Distortions, Higher order harmonic Distortion, Transformer Coupled Audio power amplifierEfficiency, Class B Amplifiers, Efficiency, Complementary Symmetry push pull amplifier,
Crossover Distortion, Class AB operation, Thermal stability and Heat sink.
TUNED AMPLIFIERS
Introduction, Small Signal Tuned Amplifier, Double Tuned Amplifiers, Effect of Cascading
Single tuned amplifiers on Band width, Staggered tuned amplifiers, Stability of tuned
amplifiers.
TEXT BOOKS:
1. Integrated Electronics, J. Millman and C.C. Halkias, McGraw-Hill, 1972.
2. Electronic Circuit Analysis and Design Donald A. Neaman, , McGraw Hill.
3. Electronic Devices and Circuits Salivahanan, N.Suresh Kumar, A. Vallavaraj, Tata McGraw Hill,
Second Edition.
REFERENCES:
1. Introductory Electronic Devices and Circuits Robert T. Paynter, Pearson Education, 7th Edition
2. Electronic Devices and Circuits Robert L. Boylestad and Louis Nashelsky,
TheoryPearson/Prentice Hall, 9th Edition, 2006.
3. Micro Electronic Circuits Sedra A.S. and K.C. Smith, Oxford University Press, 5th
Edition.

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