Active Microwave Circuit With Negative Group Delay

Blaise Ravelo 1 André Pérennec 1 Marc Le Roy 1, * Yann Boucher 2
* Auteur correspondant
1 Lab-STICC_UBO_MOM_DIM
Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance, UBO - Université de Brest
2 RESO (EA 3380) - Laboratoire RESO
Abstract : In this letter, we report on the design, simulation and implementation of an active negative group delay circuit that operates at 1 GHz with a group delay and a gain, respectively, around -2 ns and 2 dB. Analytical formulas are proposed to demonstrate that the adopted topology is able to simultaneously achieve negative group delay (NGD) and gain while fulfilling active device constraints. The theoretical and simulated results are both validated by frequency measurements of a two-stage active microwave circuit.
Keywords : Active devices negative group delay (NGD)
Type de document :
Article dans une revue
IEEE Microwave and Wireless Components Letters, Institute of Electrical and Electronics Engineers, 2007, 17, pp.861-863. 〈10.1109/LMWC.2007.910489〉
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http://hal.univ-brest.fr/hal-00461783
Contributeur : Marc Le Roy <>
Soumis le : lundi 8 mars 2010 - 11:43:20
Dernière modification le : mardi 16 janvier 2018 - 15:54:25
Document(s) archivé(s) le : mercredi 30 novembre 2016 - 14:36:09

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Blaise Ravelo, André Pérennec, Marc Le Roy, Yann Boucher. Active Microwave Circuit With Negative Group Delay. IEEE Microwave and Wireless Components Letters, Institute of Electrical and Electronics Engineers, 2007, 17, pp.861-863. 〈10.1109/LMWC.2007.910489〉. 〈hal-00461783〉

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