旨在以统一归一化增益运行的 LP-NGD RC 电路的熟悉性分析和时间推进实验研究

COMPEL Pub Date : 2024-07-18 DOI:10.1108/compel-07-2023-0301
Jun Yan Cui, Hakim Epea Silochi, Robert Wieser1, Shi Junwen, Habachi Bilal, Samuel Ngoho, Blaise Ravelo
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引用次数: 0

摘要

目的本文旨在开发一种熟悉分析电阻-电容(RC)网络有源电路的方法,该电路工作在不熟悉的低通(LP)型负群延迟(NGD)行为下。NGD 电路的设计方法通过商业工具的仿真和实验测量得到了验证。建立 RC 网络 LP-NGD 电路的熟悉理论。LP-NGD 电路参数用目标时间提前量的函数表示。研究结果基于 RC 网络的 LP-NGD 概念验证经过设计、仿真、测试和表征后,在-1 和-0.5 ms 目标时间提前量下得到了验证。LP-NGD 电路的统一增益原型在目标时间-1 和-0.5 毫秒的增益下,NGD 截止频率分别约为 269 和 569 Hz。研究限制/意义本研究中开发的陌生 LP-NGD 拓扑的性能受到构成块状元件的寄生元件的限制。社会影响从 NGD 电路应用的社会影响来看,NGD 功能是改善未来电子设备在通信方面和交通系统方面技术性能的突出解决方案之一。此外,实验结果也具有独创性。
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Familiarity analysis and time-advance experimental study of LP-NGD RC-circuit intended to operate with Unity-normalized gain

Purpose

The purpose of this paper is to develop a familiarity analysis of resistive-capacitive (RC) network active circuit operating with unfamiliar low-pass (LP) type negative group delay (NGD) behavior. The design method of NGD circuit is validated by simulation with commercial tool and experimental measurement.

Design/methodology/approach

The present research work methodology is structured in three main parts. The familiarity theory of RC-network LP-NGD circuit is developed. The LP-NGD circuit parameters are expressed in function of the targeted time-advance. Then, the feasibility study is based on the theory, simulation and measurement result comparisons.

Findings

The RC-network based LP-NGD proof of concept is validated with −1 and −0.5 ms targeted time-advances after design, simulation, test and characterized. The LP-NGD circuit unity gain prototype presents NGD cut-off frequencies of about 269 and 569 Hz for the targeted time-advances, −1 and −0.5 ms, respectively. Bi-exponential and arbitrary waveform signals were tested to verify the targeted time-advance.

Research limitations/implications

The performance of the unfamiliar LP-NGD topology developed in the present study is limited by the parasitic elements of constituting lumped components.

Practical implications

The NGD circuit enables to naturally reduce the undesired delay effect from the electronic and communication systems. The NGD circuit can be exploited to reduce the delay induced by electronic devices and system.

Social implications

As social impacts of the NGD circuit application, the NGD function is one of prominent solutions to improve the technology performances of future electronic device in term of communication aspect and the transportation system.

Originality/value

The originality of the paper concerns the theoretical approach of the RC-network parameters in function of the targeted time-advance and the input signal bandwidth. In addition, the experimental results are also particularly original.

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