This course enables students to learn and apply following basic concepts
· Semiconductors Diodes
Materials, electron configuration, electrical properties; P and N type materials: effects of impurities on conduction, majority and minority characters; PN junction in a semiconductor, development of a potential across a PN junction in unbiased, forward biased and reverse biased conditions;
Diodes in series and parallel; Main characteristics and use of silicon controlled rectifiers (thyristors), light emitting diode, photo conductive diode, varistor, rectifier diodes; Functional testing of diodes.
Diode symbols, diode characteristics and parameters, peak inverse voltage, maximum forward current, leakage current, power dissipation; Operation and function of diodes in the following circuits: full and half wave rectifiers, bridge rectifiers.
· Transistors
Transistor symbols, component description and orientation; Transistor characteristics and properties, Construction and operation of PNP and NPN transistors; Base, collector and emitter configurations, Testing of transistors, application of transistors, transistor as a switch, transistor as an amplifier.
Introduction to IC, IC manufacturing techniques, including thick film, thin film, hybrid, integrated circuit packages
Description and operation of logic circuits and linear circuits/operational amplifiers. Description and operation of logic circuits and linear circuits; Introduction to operation and function of an operational amplifier used as voltage follower, comparator.
· Printed Circuit Boards
Description of PCB construction, modular construction, PCB types, PCB coatings.
· Servomechanisms
Analogue transducers; Principles of operation and use of the following synchrony system components/features: resolvers, differential, control and torque, transformers, inductance and capacitor displacement transducer, synchro identification, Open and closed loop servomechanism and use of transducers in servomechanism.
- Teacher: Muhammad Jauhar