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Active Microwave Circuit With Negative Group Delay

Blaise Ravelo 1 André Pérennec 1 Marc Le Roy 1, * Yann Boucher 2
* Corresponding author
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
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.
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https://hal.univ-brest.fr/hal-00461783
Contributor : Marc Le Roy <>
Submitted on : Monday, March 8, 2010 - 11:43:20 AM
Last modification on : Wednesday, June 24, 2020 - 4:19:22 PM
Long-term archiving on: : Wednesday, November 30, 2016 - 2:36:09 PM

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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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