[ aw-tuh-dahyn ]
/ ˈɔ təˌdaɪn /

noun Electronics.

a type of heterodyne circuit containing a vacuum tube or transistor that acts simultaneously as a detector and oscillator.

Origin of autodyne

First recorded in 1915–20; auto-1 + dyne Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for autodyne

  • From this you will see that any regenerative set can be used for autodyne, or self-heterodyne, reception.

    The Radio Amateur's Hand Book|A. Frederick Collins
  • The connections for the autodyne, or self-heterodyne, receiving set are shown in Fig. 60.

    The Radio Amateur's Hand Book|A. Frederick Collins

British Dictionary definitions for autodyne

/ (ˈɔːtəʊˌdaɪn) /


electronics denoting or relating to an electrical circuit in which the same elements and valves are used as oscillator and detector
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012