ELECTRONIC CIRCUITS

Group A


Blasting techniques of BJT and FETs; Bias stability; Self-bias, hybrid II model of BJT and
'high frequency response.
Single stage amplifiers-bipolar amplifiers, CE, CB, CC configurations, characteristics, gain,
h-parameters, analysis using h-parameters. FET amplifiers.
Multistage amplifiers-classification, distortion, frequency response, step response, RCcoupled
amplifiers, transformer coupled amplifiers.
Feedback amplifiers-concept, gain with feedback, negative feedback-example of Boot
strapped CE amplifier, advantages and limitations, input and output impedance; voltageseries,
voltage-shunt, current -series, current-shunt feedback amplifiers.
Stability and oscillators-condition of oscillation, sinusoidal oscillator, phase shift oscillator,
resonant circuit oscillator, Wein bridge oscillator, crystal oscillator, stability of frequency.
Operational amplifiers-differential amplifiers, transfer characteristics, IC op-amp functions,
frequency response, step response; introduction to analog computer.
Power amplifiers-class A, B, AB, C amplifiers. Distortion, efficiency, push-pull principle,
power supply half wave, full wave, ripple factors, filters, regulation.

Group B

 

Introduction, binary numbers, binary codes.
Boolean algebra-functions and expressions, gates- OR, AND, NOT, NOR, NAND, De
Morgan's theorem, laws and theorems.
Minimization of logical functions-Karnaugh map.
Arithmetic circuits-Ex-OR gate, half adder, full adder, subtraction, code conversion, etc.
Basic gate structures-RTL, DTL, Tll.., ECL, MOS, CMOS.
Flip-flops-RS, T, RST, D, JK, Schmidt trigger, astable, monostable:
Counter techniques-Ripple counter, parallel counter.
BCD counter, synchronous counter, ring counter.
Shift registers, memory.
D/ A and A/D converters..

 

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