double-tuned circuit

double-tuned circuit

[¦dəb·əl ‚tünd ′sər·kət]
(electronics)
A circuit that is resonant to two adjacent frequencies, so that there are two approximately equal values of peak response, with a dip between.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.