Results 11 to 20 of about 224 (115)
Negative Group Delay Theory on Li Topology
IEEE Access, 2020 This paper investigates an innovative negative group delay (NGD) theory of “li” geometrical shape topology. The li-topology is an outstandingly simple and fully distributed circuit comprised of a coupled line (CL).
Blaise Ravelo +4 more
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Reconfigurable Negative Group Delay Circuit with a Low Insertion Loss Using a Coupled Line [PDF]
Journal of Electromagnetic Engineering and Science, 2020 This paper presents a design of a transmissive-type, low insertion loss (IL) negative group delay (NGD) circuit with a reconfigurable NGD. The proposed circuit consists of a series transmission lines (TLs) and shunt short-circuited coupled lines where an
Girdhari Chaudhary, Yongchae Jeong
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Synthesis of RF Circuits with Negative Time Delay by Using LNA
Advanced Electromagnetics, 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 frequencies.
B. Ravelo
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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 +6 more
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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 +7 more
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Realization of Negative Group Delay Network Using Defected Microstrip Structure
International Journal of Antennas and Propagation, 2014 A design of negative group delay (NGD) networks using a U-shaped defected microstrip structure (DMS) and lumped elements is presented in this paper. The signal attenuation characteristics of DMS were utilized to get NGD time.
Girdhari Chaudhary +2 more
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Negative Group Delay Theory of a Four-Port RC-Network Feedback Operational Amplifier
IEEE Access, 2019 An innovative negative group delay (NGD) theory based on a unity direct chain feedback (UDCF) circuit topology is developed in this paper. This NGD circuit is an active cell constituted by an operational amplifier in feedback with a four-port RC-network.
Fayu Wan +6 more
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Innovative Theory of Low-Pass NGD via-Hole-Ground Circuit
IEEE Access, 2020 The via ground (GND) structure constitutes one of the most useful elements for designing high performance printed circuit boards (PCBs). The electrical interconnections with vias become key regular solutions for the implementation of various electronic ...
Blaise Ravelo +5 more
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Novel Tee-Shaped Topology Theory of Low- and High-Pass NGD Double-Type Function
IEEE Access, 2022 Recent investigation reports that certain electronic circuits operate with the unfamiliar negative group delay (NGD) function. It is fundamentally stated that the NGD circuits can be classified in different types.
Hongchuan Jia +8 more
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S-Parameter Model of Three Parallel Interconnect Lines Generating Negative Group-Delay Effect
IEEE Access, 2018 This paper develops a negative group-delay (NGD) microwave circuit theory regarding topology consists of three parallel interconnect lines (3-PILs). The NGD topology under study is built using completely distributed microstrip lines. The 3-PIL NGD theory
Fayu Wan +4 more
doaj +1 more source