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Journal Articles IEEE Microwave and Wireless Components Letters Year : 2007

Active Microwave Circuit With Negative Group Delay

Blaise Elysée Guy Ravelo
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André Pérennec
Marc Le Roy
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Yann G. Boucher

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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Dates and versions

hal-00461783 , version 1 (08-03-2010)

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Blaise Elysée Guy Ravelo, André Pérennec, Marc Le Roy, Yann G. Boucher. Active Microwave Circuit With Negative Group Delay. IEEE Microwave and Wireless Components Letters, 2007, 17, pp.861-863. ⟨10.1109/LMWC.2007.910489⟩. ⟨hal-00461783⟩
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