Digital Electronics

• Health & Safety, Care of Tools and instruments for assembly and repair• Introduction to Electronics: - Electric Current, OHMS Law, Insulation, Conduction and related Formulae. Resistor colour codes.• Numbering systems, TTL and CMOS technologies• Practical study of Digital I.C.’s including AND, NAND, OR, NOR, X-OR, Inverter, Buffer, SR Latches and D-Latches.• Oscillators, Multivibrators and 555 Timers. Switches and Switch De-bounce circuits and their applications• Counters, Counter Decoding Circuitry, Shift Registers• A-D and D-A converters• Digital Displays: - LED and LCD, numeric and alphanumeric, operating currents, voltages and power requirements. Display decoders anddrivers.• Test Equipment: - Practical use of Analogue and Digital Multimeters, Oscilloscopes, Logic probes, Logic Pulsers, etc.• Fault-finding techniques: - Diagnosing and rectifying faults on circuits built during course.