Definition of wobbulator in US English:

wobbulator

(also wobulator)

noun

Electronics
historical
  • A device for producing a signal whose frequency varies continuously between two limits, used typically to align electronic equipment such as a radio receiver or to test the frequency response of a circuit; also called sweep generator.

Origin

1930s; earliest use found in QST. From wobb- + -ulator.

Pronunciation

wobbulator

/ˈwɒbjʊleɪtə/