Zobrazeno 1 - 10
of 353
pro vyhledávání: '"B. Ravelo"'
Autor:
J. R. Sambatra, F. Haddad, S. Ngoho, M. Guerin, W. Rahajandraibe, G. H. Bilal, G. Fontgalland, H. S. Silva, B. Ravelo
Publikováno v:
Advanced Electromagnetics, Vol 12, Iss 4 (2023)
This paper investigates on the rarely studied negative group delay (NGD) RF circuit with innovative stop-band (SB) behavior. In difference with the classical filter, the SB-NGD function is identified in function of frequency bands where the group del
Externí odkaz:
https://doaj.org/article/9ff2e881916e4e6586871f52a3f86112
Autor:
E. J. R. Sambatra, S. Ngoho, F. Haddad, M. Guerin, G. Fontgalland, W. Rahajandraibe, B. Ravelo
Publikováno v:
Advanced Electromagnetics, Vol 12, Iss 1 (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
Externí odkaz:
https://doaj.org/article/e5dfcf89264b49458c6b15f7f4462693
Publikováno v:
Radioengineering, Vol 30, Iss 2, Pp 304-313 (2021)
This paper introduces a bandpass (BP) NGD circuit design engineering. The developed circuit is de¬signed and implemented using distributed microstrip tech-nology and operates with outstanding dual-band bandpass NGD performance added with low attenua
Externí odkaz:
https://doaj.org/article/c5b1ffac87344cd2b632abc71621f883
Publikováno v:
IEEE Access, Vol 7, Pp 72505-72517 (2019)
This paper deals with the fast S-parameter modeling of multi-port lumped structures. The developed model is based on unfamiliar formalism using the tensorial analysis of networks (TAN). The modeling methodology is described with the general abstract
Externí odkaz:
https://doaj.org/article/9fa221d961cc4e0aa3fceb1790e57197
Publikováno v:
Advanced Electromagnetics, Vol 7, Iss 3, Pp 108-116 (2018)
This article describes an extraction technique of input and output impedances of integrated circuits (ICs) implemented onto the printed circuit boards (PCBs). The feasibility of the technique is illustrated with a proof-of-concept (POC) constituted b
Externí odkaz:
https://doaj.org/article/0efce292547c4ca09f0b494e4e711090
Publikováno v:
IEEE Access, Vol 6, Pp 60645-60654 (2018)
The multilayer technology constitutes the ultimate solution for the design of high-density printed circuit board (PCB). Challenging modeling method is required to predict the signal integrity (SI) of the multilayer PCB. This paper addresses an unfami
Externí odkaz:
https://doaj.org/article/aaae7cba5b75434280098c6e53e7b109
Autor:
B. Ravelo
Publikováno v:
Advanced Electromagnetics, Vol 2, Iss 1 (2013)
This paper focus is on the neutralization technique of the unwanted physical disturbances in the radio frequencies (RF) and digital electronic structures. Most of parasitic effects induced in these systems can be modeled by RC- and LC- passive networ
Externí odkaz:
https://doaj.org/article/bb3fa78e81974bfa9330a9c1793feca2
Autor:
B. Ravelo
Publikováno v:
Advanced Electromagnetics, Vol 2, Iss 1 (2013)
A demonstration of the negative time-delay by using active circuit topologies with negative group delay (NGD) is described in this paper. This negative time delay is realized with two different topologies operating in base band and modulated frequenc
Externí odkaz:
https://doaj.org/article/ceb404b0f15540579b476ce7de439474
Publikováno v:
Advanced Electromagnetics, Vol 2, Iss 1 (2013)
This paper presents an enlarged study about the 50-% propagation-time assessment of cascaded transmission lines (TLs). First and foremost, the accurate modeling and measurement technique of signal integrity (SI) for high-rate microelectronic intercon
Externí odkaz:
https://doaj.org/article/bbd4166be6664d29bc9a6298d7b386a7
Publikováno v:
Advanced Electromagnetics, Vol 1, Iss 3 (2012)
This paper is dealing with a time-frequency modeling method of electromagnetic (EM) near-field (NF) radiated by electronic devices excited by transient pulse signals. The model developed enables to calculate the EM NF maps at different distances from
Externí odkaz:
https://doaj.org/article/d12a44f940bb4652825f12bd8cf58290