Feedback Amplifiers
Classification, Feedback concept, Transfer gain with feedback, General characteristics of negative feedback amplifiers. Analysis of voltage-series, Voltage-Shunt, Current-series and current-shunt feedback amplifier. Stability criterion.
Oscillators
Classification, Criterion for oscillation. Tuned collector, Hartley, Colpitts, RC Phase shift, Wien bridge and crystal oscillators, Astable, Monostable and bistable multivibrators. Schmitt trigger, Blocking oscillators.
High Frequency Amplifiers
Hybrid Pi model, Conductances and capacitances of hybrid Pi model, High frequency analysis of CE amplifier, Gain-bandwidth product. Emitter follower at high frequencies.
Tuned Amplifier
Band pass amplifier, Parallel resonant circuits, Bandwidth of parallel resonant circuit. Analysis of single tuned amplifier, Primary and secondary tuned amplifier with BJT and FET. Double tuned transformer coupled amplifier, Stagger tuned amplifier. Pulse response of such amplifier, Shunt peaked circuits for increased bandwidth.
Power Amplifiers
Power amplifier circuits, Class A output stage, Class B output stage and class AB output stages, Class C amplifiers, Push pull amplifiers with and without transformers. Complementary symmetry and quasi complementary symmetry amplifiers.
Classification, Feedback concept, Transfer gain with feedback, General characteristics of negative feedback amplifiers. Analysis of voltage-series, Voltage-Shunt, Current-series and current-shunt feedback amplifier. Stability criterion.
Oscillators
Classification, Criterion for oscillation. Tuned collector, Hartley, Colpitts, RC Phase shift, Wien bridge and crystal oscillators, Astable, Monostable and bistable multivibrators. Schmitt trigger, Blocking oscillators.
High Frequency Amplifiers
Hybrid Pi model, Conductances and capacitances of hybrid Pi model, High frequency analysis of CE amplifier, Gain-bandwidth product. Emitter follower at high frequencies.
Tuned Amplifier
Band pass amplifier, Parallel resonant circuits, Bandwidth of parallel resonant circuit. Analysis of single tuned amplifier, Primary and secondary tuned amplifier with BJT and FET. Double tuned transformer coupled amplifier, Stagger tuned amplifier. Pulse response of such amplifier, Shunt peaked circuits for increased bandwidth.
Power Amplifiers
Power amplifier circuits, Class A output stage, Class B output stage and class AB output stages, Class C amplifiers, Push pull amplifiers with and without transformers. Complementary symmetry and quasi complementary symmetry amplifiers.
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