An oscillator forming part of a radio receiver whose output is combined with that of an incoming radio signal to produce (usually audio frequency) beats.
Origin
1930s; earliest use found in Amateur Radio Handbook.
Definition of beat oscillator in US English:
beat oscillator
noun
Electronics
An oscillator forming part of a radio receiver whose output is combined with that of an incoming radio signal to produce (usually audio frequency) beats.
Origin
1930s; earliest use found in Amateur Radio Handbook.