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Application of negative group delay active circuits to reduce the 50% propagation Delay of RC-line model

Blaise Ravelo 1 André Pérennec 1 Marc Le Roy 1, *
* 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 : This paper presents a new method developed to reduce the propagation delay by using a negative group delay (NGD) active circuit. Analytical expressions are proposed to demonstrate the validity of our approach in the case of an RC-transmission line model. The synthesis method of NGD circuits versus the line length is detailed. For a 0.5 Gbit/s digital signal and a 2-cm-long RC-line model, time-domain simulations carried out with a high-frequency circuit simulator showed that the 50% propagation delay was reduced by 94%. Finally, potential applications of this method to compensate for time delays in different interconnect configurations (VLSI, package, on-chip, long-line, ...) are discussed
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https://hal.univ-brest.fr/hal-00468114
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Blaise Ravelo, André Pérennec, Marc Le Roy. Application of negative group delay active circuits to reduce the 50% propagation Delay of RC-line model. 12th IEEE Workshop on Signal Propagation on Interconnects (SPI'08), May 2008, Avignon, France. pp.1-4, ⟨10.1109/SPI.2008.4558347⟩. ⟨hal-00468114⟩

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