Fourth-order inverse filter configuration using current differencing buffered amplifier

IF 1.6 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC International Journal of Numerical Modelling-Electronic Networks Devices and Fields Pub Date : 2024-05-26 DOI:10.1002/jnm.3243

Mourina Ghosh, Pulak Mondal, Santosh Kumar

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Abstract

This article presents three different higher-order inverse filter (IF) configurations using current differencing buffered amplifier (CDBA) as an active component and a few passive elements. The topology can be used to synthesize fourth-order inverse low pass filter (FO-ILPF), inverse band pass filter (FO-IBPF), and inverse all-pass filter (FO-IAPF) using suitable admittance combinations. PSPICE simulations verify the functionality of the proposed IFs with the CMOS-based CDBA using 180 nm technology. The theoretical analysis and simulated results are also carried out, which shows that they are in close agreement. The passive sensitivity analysis, non-ideality analysis, Monte Carlo simulation, temperature analysis, percentage of total harmonic distortion (%THD), and noise analysis of the proposed filters are also performed. The proposed design has also been implemented using the current feedback operational amplifier (CFOA) as IC AD844AN to verify the functionality.

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使用电流差分缓冲放大器的四阶反向滤波器配置

本文介绍了三种不同的高阶反向滤波器（IF）配置，使用电流差分缓冲放大器（CDBA）作为有源元件和一些无源元件。该拓扑结构可用于合成四阶反向低通滤波器（FO-ILPF）、反向带通滤波器（FO-IBPF）和反向全通滤波器（FO-IAPF）。PSPICE 仿真验证了采用 180 纳米技术的基于 CMOS 的 CDBA 所建议的中频滤波器的功能。同时还进行了理论分析和模拟结果，结果表明两者非常接近。此外，还对拟议滤波器进行了被动灵敏度分析、非理想性分析、蒙特卡罗模拟、温度分析、总谐波失真百分比 (%THD) 和噪声分析。此外，还使用集成电路 AD844AN 的电流反馈运算放大器 (CFOA) 实现了拟议的设计，以验证其功能。

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来源期刊

International Journal of Numerical Modelling-Electronic Networks Devices and Fields 工程技术-工程：电子与电气

CiteScore

4.60

自引率

6.20%

发文量

101

审稿时长

>12 weeks

期刊介绍： Prediction through modelling forms the basis of engineering design. The computational power at the fingertips of the professional engineer is increasing enormously and techniques for computer simulation are changing rapidly. Engineers need models which relate to their design area and which are adaptable to new design concepts. They also need efficient and friendly ways of presenting, viewing and transmitting the data associated with their models. The International Journal of Numerical Modelling: Electronic Networks, Devices and Fields provides a communication vehicle for numerical modelling methods and data preparation methods associated with electrical and electronic circuits and fields. It concentrates on numerical modelling rather than abstract numerical mathematics. Contributions on numerical modelling will cover the entire subject of electrical and electronic engineering. They will range from electrical distribution networks to integrated circuits on VLSI design, and from static electric and magnetic fields through microwaves to optical design. They will also include the use of electrical networks as a modelling medium.