WITH EFFECT FROM THE ACADEMIC YEAR 2011 - 2012
EC 251
ANALOG ELECTRONIC CIRCUITS
Instruction 4 Periods per week
Duration of University Examination 3 Hours
University Examination 75 Marks
Sessional 25 Marks
UNIT-I
Small Signal Amplifiers: Classification of amplifiers, BJT and FET high frequency equivalent circuits, Mid-band analysis of single and multistage amplifiers, Low frequency and high frequency analysis of single and multistage RC coupled and transformer coupled amplifiers with BJT and FET.
UNIT-II
Feed Back Amplifiers: The feedback concept, General characteristics of negative feedback amplifier, Effect of negative feedback on input and output impedances, Voltage and current, series and shunt feedbacks. Stability considerations, Local Versus global feedback.
UNIT-III
Oscillators: Positive feedback and conditions for sinusoidal oscillatons, RC oscillator, LC oscillator, Crystal oscillator, Amplitude and frequency stability of oscillator.
Regulators: Transistorized series and shunt regulators
UNIT-IV
Large Signal Amplifiers: BJT as large signal audio amplifiers, Classes of operation, Harmonic distortion, power dissipation, efficiency calculations. Design considerations of transformer coupled and transform less push-pull audio power amplifiers under Class-A. Class-B, Class D and Class-AB operations.
UNIT-V
R.F. Voltage Amplifiers: General consideration, Analysis and design of single tuned, inductively coupled and double tuned types with BJT’s selectivity,
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gain and bandwidth comparison of multistage single tuned amplifiers and double tuned amplifiers, the problem of stability in RF amplifiers, neutralization & unilaterisation, staggered tuned amplifiers, introduction with FET’s.
Suggested Reading:
- 1.Jacob Millman, Christos Halkias, Chetan Parikh, Integrated Electronics, TMH, 2nd edition, 2009.
- 2.Donald Schilling, Charles Belove, Tuvia Apelewicz, Raymond Saccardi, Electronic Circuits: Discrete And Integrated, TMH, 3rd edition, 2002.
- 3.Donald A. Neamen, Electronic Circuits:Analysis and Design, 3rd edition, McGraw Hill, 2006.
- 4.Allen Mottershead, Electronic Devices and Circuits: An Introduction,