Article
Article
Radio receiver
Article By:
Gosling, William Consultant in Radio Communications, Bath, United Kingdom.
Whikehart, J. William Visteon Corporation, Milford, Michigan.
Last reviewed:January 2020
DOI:https://doi.org/10.1036/1097-8542.568000
The part of the radio communications system that extracts information from radio-frequency (rf) energy intercepted by the antenna. Radio receivers are the most common electronic equipment worldwide and a vital part of all radio, television, and radar systems. Since the 1960s, radio receiver performance has improved greatly, while size, weight, and cost have fallen dramatically. In the past, radio receivers were built from analog circuits, but increasingly they are realized by digital signal processing. See also: Radio; Signal processing
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