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Experimental verification for time advancement of negative group delay in RF electronic circuits

Jeong, Y., Choi, Heungjae and Kim, C. D. 2010. Experimental verification for time advancement of negative group delay in RF electronic circuits. Electronics letters 46 (4) , pp. 306-307. 10.1049/el.2010.3147

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Abstract

An experiment was performed on the signal cancellation loop that utilises a carrier wave (CW) and wideband code division multiple access (WCDMA) signals to show that negative group delays can be used to cancel out positive group delays. According to the closed loop measurements, a 30 dB signal cancellation for a CW signal and a WCDMA 4FA signal were obtained over a 30 MHz bandwidth at the WCDMA downlink band, with a fabricated two-stage planar negative group delay circuit.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Publisher: Institution of Engineering & Technology
ISSN: 0013-5194
Last Modified: 04 Jun 2017 07:52
URI: http://orca.cf.ac.uk/id/eprint/68996

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