complementary symmetry
complementary symmetry
[‚käm·plə′men·trē ′sim·ə·trē] (electronics)
A circuit using both pnp and npn transistors in a symmetrical arrangement that permits push-pull operation without an input transformer or other form of phase inverter.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.