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| ECE 2-2 ECA | ||
|---|---|---|
| S.No | Chapters / Units | Download Link |
| 1 | Unit 1 | Download |
| 2 | Unit 2 | Download |
| 3 | Unit 3 | Download |
| 4 | Unit 4 | Download |
| 5 | Unit 5 | Download |
ECE 2-2 ECA Important Questions and Topics Unit Wise
UNIT-I
Small Signal High Frequency Transistor Amplifier models:
BJT: Transistor at high frequencies, Hybrid- π common emitter transistor model, Hybrid
πconductance, Hybrid π capacitances, validity of hybrid π model,determination of high-
frequency parameters in terms of low-frequency parameters , CE short circuit current
gain,current gain with resistive load, cut-off frequencies, frequency response and gain
bandwidthproduct.
FET: Analysis of common Source and common drain Amplifier circuits at high frequencies.
UNIT-II
Multistage Amplifiers: Classification of amplifiers, methods of coupling, cascaded
transistor amplifier and its analysis, analysis of two stage RC coupled amplifier, high
inputresistance transistor amplifier circuits and their analysis-Darlington pair amplifier,
Cascode amplifier, Boot-strap emitter follower, Differential amplifier using BJT.
UNIT-III
Feedback Amplifiers: Feedback principle and concept, types of feedback, classification
of amplifiers, feedback topologies, Characteristics of negative feedback amplifiers,
Generalized analysis of feedback amplifiers, Performance comparison of feedback
amplifiers, Method of analysis of feedback amplifiers.
Unit-IV
Oscillators: Oscillator principle, condition for oscillations, types of oscillators, RC-
phaseshiftandWienbridgeoscillatorswithBJTandFETandtheiranalysis,Generalized analysis of
LC Oscillators, Hartley and Colpitt’s oscillators using BJT, Frequency and amplitude stability
of oscillators.
UNIT-V
Power Amplifiers: Classification of amplifiers(A to H), Class A power Amplifiers,Class B
Push-pull amplifiers, Complementary symmetry push pull amplifier, Class
ABpoweramplifier,Class-Cpoweramplifier, Thermal stabilityandHeat sinks.
Tuned Amplifiers: Introduction, Q-Factor, small signal tuned amplifier,
capacitancesingletuned amplifier, doubletuned amplifiers, , staggeredtunedamplifiers
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