self-ˈheterodyne, a. Radio.
[self- 1 e.]
Being or employing a heterodyne receiver in which the same valve is used for the generation and rectification of local oscillations. Hence self-ˈheterodyning ppl. a. and vbl. n.
| 1918 [see autodyne]. 1922 Proc. IRE X. 245 In the various forms of self-heterodyne circuits a free oscillation of constant amplitude is maintained in the system and the circuit may be considered as having zero resistance, but only for that particular amplitude of current. 1929 Duncan & Drew Radio Telegr. & Teleph. xii. 344 The circuit is commonly known as a self-heterodyning detector because the tube functions both as an oscillator and detector. Ibid. 351 (heading) The phenomenon of self-heterodyning. |