ELECTRONICS AND INSTRUMENTATION

AN308

Group A
Electronics
Semiconductor materials, intrinsic and extrinsic semiconductors. p-n junction diodes, rectifiers-;half wave, full wave, capacitive filters, Zener diodes, their operation, characteristics and applications.

Transistors-p-n-p and n-p-n transistors, transistor as amplifier-CE, transistor characteristics, blasting and biasing stability, small signal equivalent circuits. Field effect devices-MOSFET -characteristics and applications. BJT -characteristics.

Amplifiers-Hybrid parameter equivalent circuits for common emitter configuration, current and voltage gain, . input-output impedance, frequency response_ concepts of feedback amplifiers, regenerative feedback and conditions for oscillation.

Thyristors-characteristics and applications. Triacs and GTOs.
Integrated circuits: IC devices. OP AMP applications. Analogue to, Digital Conversion (ADC), Digital to Analogue Conversion(DAC).

Group B
Instrumentation
Indicating instruments. Moving coil, moving iron, rectifier and dynamometer type meters for measurement of voltage, current, resistance and power. Integrating meters.

Electronic voltmeters-peak, r.m.s. and average reading type voltmeters. CRO-functional block diagram, operation and application.

Electronic instruments. Q-meters, distortion meters, spectrum analyzers, audio oscillators and RF signal generators, introduction to digital voltmeters; digital display devices.
Sensors and transducers. Resistive, inductive and capacitive pick ups for non electrical quantities. Analogue and digital data acquisition and transmission systems.