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

crystal-lattice filter

Engineering; Electronic engineering

A crystal resonator in which piezoelectric crystals are used to give a desired shape to the filter response curve.

drag cup

Engineering; Electronic engineering

A cup of nonmagnetic metal (usually copper or aluminum) that, when rotated in a magnetic field, acquires a voltage proportional to the speed of rotation. The device is often used as a brake.

bidirectional current

Engineering; Electronic engineering

A current that flows in both directions. Utility alternating current (ac) is a common example.

cross current

Engineering; Electronic engineering

A current that flows in the opposite direction from some other current.

constant current

Engineering; Electronic engineering

A current that undergoes no change in value as it flows through a changing resistance. Compare constant voltage.

dynamic operating line

Engineering; Electronic engineering

A curve displaying the control function of a device. For example, the collector-current-versus-base-current curve of a bipolar transistor is drawn between the limits of saturation and cutoff.