quantum well injection transit-time diode
quantum well injection transit-time diode[‚kwän·təm ¦wel in‚jek·shən ¦tranz·it ‚tīm ′dī‚ōd]
An active microwave diode that employs resonant tunneling through a gallium arsenide quantum well located between two aluminum gallium arsenide barriers to inject electrons into an undoped gallium arsenide drift region. Abbreviated QWITT diode.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.