frequency-shift keyer

frequency-shift keyer

[′frē·kwən·sē ‚shift ′kē·ər]
(electronics)
A lever to effect a frequency shift, that is, a change in the frequency of a radio transmitter, oscillator, or receiver.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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