Typical power supply unit topologies of electronic equipment. Linear and switching mode voltage regulators - principles of operation and common integrated circuits. Overcurrent protection circuits. Power amplifiers, their classification and the main characteristics. The structure and basic properties of operational amplifiers. Typical operational amplifier circuits, signal generators and active filters. Logic gates and their manipulation. Typical combinational logic – decoders, encoders, multiplexers, adders, programmable logic devices. Typical sequential logic – triggers, binary counters, parallel and shift registers. Semiconductor ROM and RAM memories, their structure and parameters. Integrated logic circuit families - DTL, TTL, CMOS, BiCMOS, ECL, GaAs devices, their structure and parameters. ADCs and DACs. Converters „voltage – frequency” and „frequency – voltage”. Timer circuits and applications.