EC8452 – Electronic Circuits -lI – Regulation 2017 Syllabus

EC8452 – NOTES & QP

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SEMESTER QP CLICK HERE

EC8452 – SYLLABUS

UNIT I FEEDBACK AMPLIFIERS AND STABILITY

Feedback Concepts — gain with feedback — effect of feedback on gain stability, distortion, bandwidth, input and output impedances; topologies of feedback amplifiers — analysis of series-series, shunt-shunt and shunt-series feedback amplifiers-stability problem-Gain and Phase-margins-Frequency compensation.

UNIT II OSCILLATORS

Barkhausen criterion for oscillation — phase shift, Wien bridge — Hartley & Colpitt?s oscillators — Clapp oscillator-Ring oscillators and crystal oscillators — oscillator amplitude stabilization.

UNIT III TUNED AMPLIFIERS

Coil losses, unloaded and loaded Q of tank circuits, small signal tuned amplifiers — Analysis of capacitor coupled single tuned amplifier — double tuned amplifier — effect of cascading single tuned and double tuned amplifiers on bandwidth — Stagger tuned amplifiers — Stability of tuned amplifiers — Neutralization — Hazeltine neutralization method.

UNIT IV WAVE SHAPING AND MULTIVIBRATOR CIRCUITS

Pulse circuits — attenuators — RC integrator and differentiator circuits — diode clampers and clippers –Multivibrators — Schmitt Trigger- UJT Oscillator.

UNIT V POWER AMPLIFIERS AND DC CONVERTERS

Power amplifiers- class A-Class B-Class AB-Class C-Power MOSFET-Temperature Effect- Class AB Power amplifier using MOSFET –DC/DC convertors — Buck, Boost, Buck-Boost analysis and design

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