A variable bandwidth memristor-based Legendre Optimum low pass filter for radio frequency applications

被引：4

作者：

Onyejegbu, Elochukwu ^{[1
,2
]}

Zhumabay, Zhazira ^{[1
]}

Marzuki, Arjuna ^{[3
]}

Ukaegbu, Ikechi Augustine ^{[1
,2
]}

机构：

[1] Nazarbayev Univ, Integrated Device Solut & Nanophoton Lab, 53 Kabanbay Batyr Ave, Nur Sultan 010000, Kazakhstan

[2] Nazarbayev Univ, Sch Engn & Digital Sci, Elect & Comp Engn Dept, Nur Sultan, Kazakhstan

[3] Wawasan Open Univ, Sch Sci & Technol, George Town, Malaysia

来源：

ENGINEERING REPORTS | 2022年 / 4卷 / 11期

关键词：

Legendre Optimum low pass filter; memristive filter; memristor; RF filter; variable bandwidth filter; BANDPASS FILTER; COMPACT TRI; DESIGN; TRANSFORMATIONS; RESONATOR;

D O I：

10.1002/eng2.12513

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

This article presents the enhancement of Legendre Optimum low pass filter (LPF) in terms of reusability and bandwidth, based on the programmable memristance of memristors. Two LPFs of the third order, operating in the MF and VHF range, and designed using the insertion loss method are presented. At 600 kHz and 110 MHz, two Knowm memristors working in the forward ion-conduction mode replace Rs andRL in the filter circuit. Their conductance and therefore memristance is varied such that Roff-Ron decreases monotonically and/Roff-Ron/>0. Results show a bandwidth enhancement of up to 540 at 600 kHz, and up to 100 at 110 MHz. A reusable, cost-effective, variable bandwidth filter is achieved from the original fixed bandwidth filter.

引用

页数：8

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