Results 1 to 10 of about 34 (29)

CSRR DGS-Based Bandpass Negative Group Delay Circuit Design

IEEE Access, 2023
The unfamiliar negative group delay (NGD) circuit is the less familiar function for most of RF and microwave design engineers. Among the existing types, the bandpass (BP) NGD type circuits are the most convenient for the wireless communication microwave ...
Qizheng Ji, Taochen Gu, Zhiliang Gao, Ming Yang, Yafei Yuan, Hongyu Du, Fayu Wan, Nour Mohammad Murad, Glauco Fontgalland, Hugerles S. Silva, Blaise Ravelo   +10 more
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Experimental Time-Domain Study for Bandpass Negative Group Delay Analysis With Lill-Shape Microstrip Circuit

IEEE Access, 2021
This paper focuses on the time-domain analysis of bandpass (BP) negative group delay (NGD) function. The innovative NGD investigation is based on the time-domain experimentation of an innovative topology of “lill”-shape passive microstrip ...
Remy Vauche, Rym Assila Belhadj Mefteh, Fayrouz Haddad, Jamel Nebhen, Wenceslas Rahajandraibe, Fayu Wan, Sebastien Lallechere, Blaise Ravelo   +7 more
doaj   +3 more sources

Innovative Transient Study of Tri-Bandpass Negative Group Delay Applied to Microstrip Barcode-Circuit

IEEE Access, 2021
A transient study of bandpass (BP) negative group delay (NGD) function is devoted in this paper. The transient analysis is applied to an original topology of NGD barcode-shape microstrip circuit.
Lili Wu, Fayu Wan, Rym Assila Belhadj Mefteh, Remy Vauche, George Chan, Xiang Zhou, Fayrouz Haddad, Wenceslas Rahajandraibe, Blaise Ravelo   +8 more
doaj   +3 more sources

Design Method of Constant Phase-Shifter Microwave Passive Integrated Circuit in 130-nm BiCMOS Technology With Bandpass-Type Negative Group Delay

IEEE Access, 2022
The miniaturization and application development are the expected challenges on the today engineering design research on bandpass (BP) type negative group delay (NGD) circuit.
Blaise Ravelo, Mathieu Guerin, Jaroslav Frnda, Frank Elliot Sahoa, Glauco Fontgalland, Hugerles S. Silva, Samuel Ngoho, Fayrouz Haddad, Wenceslas Rahajandraibe   +8 more
doaj   +3 more sources

Electrothermal Analyses of Bandpass NGD RLC-Network Topologies

Advanced Electromagnetics, 2023
This paper develops an original study of temperature effect on the unfamiliar bandpass (BP) negative group delay (NGD) lumped passive circuits. The paper presents the first study of electrothermal analysis of electronic circuits classified as BP-NGD ...
E. J. R. Sambatra, S. Ngoho, F. Haddad, M. Guerin, G. Fontgalland, W. Rahajandraibe, B. Ravelo   +6 more
doaj   +3 more sources

Bandpass NGD function design for 5G microwave signal delay synchronization application

Comptes Rendus. Physique, 2021
This paper introduces a design method of simple bandpass (BP) negative group delay (NGD) topology. The fundamental specifications of BP NGD function are defined.
Lalléchère, Sébastien, Rajaoarisoa, Lala, Clavier, Laurent, Galan, Raul Sanchez, Ravelo, Blaise   +4 more
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Band Pass Negative Group Delay demonstration on a VHF RLC parallel passive lumped circuit

Advanced Electromagnetics, 2022
This paper demonstrates the bandpass (BP) negative group delay (NGD) function on a passive RLC-parallel lumped network at Very High Frequencies (VHF). After the topological description of the RLC cell, the BP NGD analysis is introduced.
E. J. R. Sambatra, Y. C. Mombo Boussougou, Lucius Ramifidisoa, J.-P. Kouadio, S. Ngoho, A. Jaomiary, N. M. Murad   +6 more
doaj   +1 more source

Bandpass NGD TAN of Symmetric H-Tree With Resistorless Lumped-Network

IEEE Access, 2021
This paper introduces an innovative passive topology of bandpass (BP) negative group delay (NGD) electrical circuit implemented with symmetric H-tree network.
Blaise Ravelo, Fayu Wan, Jamel Nebhen, George Chan, Wenceslas Rahajandraibe, Sebastien Lallechere   +5 more
doaj   +1 more source

Bandpass Negative Group Delay Theory of Fully Capacitive Δ-Network

IEEE Access, 2021
A particularly original negative group delay (NGD) theory of $\Delta $ -topology is developed in the present paper. The NGD three-port topology is a passive circuit purely constituted by capacitors network. The model of the proposed $\Delta $ -topology
Fayu Wan, Yang Liu, Jamel Nebhen, Zhifei Xu, George Chan, Sebastien Lallechere, Remy Vauche, Wenceslas Rahajandraibe, Blaise Ravelo   +8 more
doaj   +1 more source

Original Theory of NGD Low Pass-High Pass Composite Function for Designing Inductorless BP NGD Lumped Circuit

IEEE Access, 2020
This paper aims to develop an original circuit theory of inductorless NGD topology. The considered passive cell comprised of resistor and capacitor elements without inductor operates as a bandpass (BP) NGD function.
Blaise Ravelo, Samuel Ngoho, Glauco Fontgalland, Lala Rajaoarisoa, Wenceslas Rahajandraibe, Remy Vauche, Zhifei Xu, Fayu Wan, Junxiang Ge, Sebastien Lallechere   +9 more
doaj   +1 more source