Electronic engineering

Electronic engineering

Electronic engineering is an engineering discipline focused on the design, fabrication, testing and operation of circuits, electronic components, devices, and systems.

Industry: Engineering

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Electronic engineering

doorknob tube

Engineering; Electronic engineering

A special UHF vacuum tube, so called from its characteristic shape. The unique design provides short electron-transit time and low interelectrode capacitance. Largely replaced in recent years by ...

Carey-Foster bridge

Engineering; Electronic engineering

A special version of the slidewire bridge that is useful for measuring an unknown resistance, whose value is close to that of a standard resistance.

battery eliminator

Engineering; Electronic engineering

A specialized dc power supply, usually embodying a transformer, rectifier, and filter, that permits battery-powered equipment to be operated from an ac power line.

bootstrap circuit

Engineering; Electronic engineering

A specialized form of follower circuit that presents very high input impedance. Its chief feature is the return of the control-element resistor to a tap on the source or emitter resistor. The ...

A specialized form of wattmeter, in which the power to be measured is dissipated in an oil or water bath that has a known and fixed mass. The wattage is determined indirectly, by measuring the extent ...

balun

Engineering; Electronic engineering

A specialized impedance-matching radiofrequency (RF) transformer. It is a wideband device, usually providing a 1:1 or 1:4 impedance ratio and available in several different forms. It is so called ...

adaptive suspension vehicle (ASV)

Engineering; Electronic engineering

A specialized robot that moves on mechanical legs, rather than on wheels. It generally has six legs and resembles an insect. It is designed to move over extremely irregular or rocky terrain, and to ...