vacuum-tube clipping circuit

vacuum-tube clipping circuit

[′vak·yəm ¦tüb ′klip·iŋ ′sər·kət]
(electronics)
A circuit in which a vacuum tube is used to achieve clipping action; the bias at the input is set at such a level that output current cannot flow during a portion of the amplitude excursion of the input voltage or current waveform.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.