Pertaining to, involving, or designating the production of a beat frequency by the combination of two oscillations of slightly different frequency…

Designating or relating to a circuit in which the part used for detection (detection, n. 3) is also used as the local oscillator; (also) designating…

Designating a receiver or circuit of this kind; (also) utilizing or relating to such a receiver or circuit; = autodyne, adj.

Employing or involving a method of radio and television reception in which the receiver produces a tunable signal which is combined with the incoming…

that neutralizes (see neutralize, v. 6c).

= superheterodyne, adj.

a name given to a radio receiver and a method of detection which employs a local oscillator tuned to the carrier frequency of the detected signal.

used attributive (also absol.) to designate a method of radio telegraphy in which the carrier frequency takes either of two approximately equal…