Tuesday, October 27, 2009

306 - Electronic Circuits I

Module I
DC power supplies - power transformers - rectification - half wave, full wave, bridge - expression for ripple factor, efficiency, comparison, diode ratings. Filters - capacitor - inductor LC filters- use of bleeder resistor - voltage multipliers - dual power supplies - simple voltage regulator. Series regulators - IC regulators.

Module II
BJT Amplifiers: Units of gain, CE amplifier- Biasing techniques - stabilization of operating point –compensation techniques- low frequency equivalent circuits - r-parameters, h-parameters Methods of coupling - D.C coupled amplifier - CE RC coupled amplifier - concept of load lines- loading effect at the input and output - emitter follower as Buffer stage- Darlington emitter follower-Boot strapping – High frequency equivalent circuit of CE amplifier-hybrid p model - frequency response of RC coupled amplifier - frequency analysis of R C coupled amplifier - lower cut-off frequency - upper cut-off frequency - 3 db bandwidth - Frequency response of DC coupled amplifier.

Module III
FET Amplifier: FET biasing- Low frequency equivalent circuit- RC coupled common source amplifier - expression for gain - frequency response - FET source follower- - FET as a voltage variable resistor –comparison of FET with BJT. CMOS biasing-Amplifier ckts, Multistage Amplifier.

Module IV
Pulse circuits: pulse characteristics - Pulse shaping using RC circuits - Differentiating and integrating circuits - clipping and clamping circuits using diodes and transistors - Transistor as a switch- sweep circuits - Transistor sweep circuits - voltage and current sweep - Miller sweep circuit - Bootstrap sweep circuit - UJT relaxation oscillator.
Multivibrators using transistors - astable - monostable and bistable operation.