Module 4. Electronic fundamentals (Part-66)

Content: Part-66 Module 4. Electronic fundamentals

1. Semiconductors

1.1 Diodes

• Diode symbols;
• Diode characteristics and properties;
• 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.

1.2 Transistors

• Transistor symbols;
• Component description and orientation;
• Transistor characteristics and properties.

1.3 Integrated Circuits

• Description and operation of logic circuits and linear circuits / operational amplifiers.

2. Printed Circuit Boards

• Description and use of printed circuit boards.

3. Servomechanisms

• Understanding of the following terms: Open and closed loop systems, feedback, follow up, analogue transducers;
• Principles of operation and use of the following synchro systemcomponents / features: resolvers, differential, control and torque, transformers, inductance and capacitance transmitters.