local oscillator

noun

1. electronics the oscillator in a superheterodyne receiver whose output frequency is mixed with the incoming modulated radio-frequency carrier signal to produce the required intermediate frequency

Example Sentences

They then radiated a signal at this frequency, modulated at the frequency to which the local oscillator was set.

From Project Gutenberg

If it is, you will hear an intermittent musical note for some tune of your local oscillator.

From Project Gutenberg