Suitability of passive RC-network-based inductorless bridged-T as a bandpass NGD circuit
ISSN: 0305-6120
Article publication date: 7 December 2021
Issue publication date: 27 June 2023
Abstract
Purpose
The purpose of this paper is to study, a bridged-T topology with inductorless passive network used as a bandpass (BP) negative group delay (NGD) function.
Design/methodology/approach
The BP NGD topology under study is composed of an inductorless passive resistive capacitive network. The circuit analysis is elaborated from the equivalent impedance matrix. Then, the analytical model of the C-shunt bridged-T topology voltage transfer function is established. The BP NGD analysis of the considered topology is developed in function of the bridged-T parameters. The NGD properties and characterizations of the proposed topology are analytically expressed. Moreover, the relevance of the BP NGD theory is verified with the design and fabrication of surface mounted device components-based proof-of-concept (PoC).
Findings
From measurement results, the BP NGD network with −151 ns at the center frequency of 1 MHz over −6.6 dB attenuation is in very good agreement with the C-shunt bridged-T PoC.
Originality/value
This paper develops a mathematical modeling theory and measurement of a C-shunt bridged-T network circuit.
Keywords
Acknowledgements
This work was supported by the Deanship of Scientific Research at Prince Sattam bin Abdulaziz University, Saudi Arabia. This research work was also supported in part by National Science Fundation of China under Grant 61971230 and in part by Jiangsu Specially Appointed Professor program and Six Major Talents Summit of Jiangsu Province (2019-DZXX-022) and in part by the Startup Foundation for Introducing Talent of NUIST, in part by the Post-graduate Research and Practice Innovation Program of Jiangsu Province under Grant KYCX20_0966.
Data availability: Data sharing is not applicable to this article as no data sets were generated or analyzed during the current study.
Citation
Lalléchére, S., Nebhen, J., Liu, Y., Chan, G., Fontgalland, G., Rahajandraibe, W., Wan, F. and Ravelo, B. (2023), "Suitability of passive RC-network-based inductorless bridged-T as a bandpass NGD circuit", Circuit World, Vol. 49 No. 3, pp. 347-360. https://doi.org/10.1108/CW-06-2021-0163
Publisher
:Emerald Publishing Limited
Copyright © 2021, Emerald Publishing Limited