Electronic Engineering Glossary Terms

Error Terms

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ERROR. The difference between the returned value and the observed or calculated value.

ERROR AMPLIFIER. An amplifier that receives feedback from a circuit and compares that signal to a reference signal to produce an error output signal.

ERROR BUDGET. The bit-error-ratio requirement allocated to the respective segments of a communications system, such as trunking, switching, access, and terminal devices, in a manner that satisfies the specified system end-to-end bit-error-ratio requirement for transmitted traffic.

ERROR CORRECTION CODE. [ECC], see Error Correcting Code.

ERROR CORRECTING CODE. A code in which each data signal conforms to specific rules of construction so that departures from this construction in the received signal can generally be automatically detected and corrected.

ERROR DETECTION and CORRECTION. [EDAC]. Also refer to Manufacturers of Error Correction ICs

ERROR DETECTOR. The component in a servo-system that determines when the load has deviated from its ordered position, velocity, and so forth.

ERROR RATE. The amount or number of incorrect data bits in a given sample.

ERROR RATIO. Same as Error Rate.

ERROR REDUCER. The name commonly given to the servomotor in a servosystem. So named because it reduces the error signal by providing feedback to the error detector.

ERROR SIGNAL. In servosystems, the signal whose amplitude and polarity or phase are used to correct the alignment between the controlling and the controlled elements. The name given to the electrical output of a control transformer.

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