20 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
detectophone
Engineering; Electronic engineering
A device for eavesdropping on a conversation. The device can use a tape recorder or a tiny radio transmitter.
conductivity meter
Engineering; Electronic engineering
A device for measuring electrical conductivity. Generally, such a device is calibrated in siemens.
direct synthesizer
Engineering; Electronic engineering
A device for producing random, rapidly changing frequencies for security purposes. A reference oscillator provides a comparison frequency; the output frequency is a rational-number multiple of this ...
disk recorder
Engineering; Electronic engineering
A device for recording (and usually also playing back) sound or other signals on record disks.
attenuator
Engineering; Electronic engineering
A device for reducing signal amplitude in precise, predetermined steps, or smoothly over a continuous range. A network of resistors, capacitors, or both. The simplest attenuator consists of one or ...
cellular coil
Engineering; Electronic engineering
A coil having a crisscross (usually multilayer) winding. Examples: lattice-wound coil, honeycomb coil, basket-weave coil.
armature coil
Engineering; Electronic engineering
A coil of insulated wire wound on a ferromagnetic core to provide the electromagnetic properties of an armature. In a motor or generator, the armature coil is distinguished from the field coil.
