12 Terms
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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
Arcing ring
Engineering; Electronic engineering
A metal ring placed around an insulator in a high-voltage electrical system. This keeps an arc from charring or breaking the insulator.
Alloy
Engineering; Electronic engineering
A metal that is a mixture of several other metals (e.g., brass from copper and zinc), or of a metal and a nonmetal.
Cavity
Engineering; Electronic engineering
A metallic chamber (can) in which energy is allowed to reflect, sometimes resulting in resonance.
Double local oscillator
Engineering; Electronic engineering
A mixer system in which a local oscillator generates two accurate radiofrequency (RF) signals separated by a few hundred hertz. The difference frequency is used as a reference in some applications.
Beam-rider control system
Engineering; Electronic engineering
A missile-guidance system in which a control station sends a radio beam to a missile. The beam is moved in such a way that as the missile stays within the beam, it hits the target.
Crosshatch generator
Engineering; Electronic engineering
A modulated radiofrequency (RF) signal generator that produces a crosshatch pattern on a picture-tube screen.
Directional coupler
Engineering; Electronic engineering
A microwave device that couples an external system to waves travelling through the coupler in one direction.
