A Single Resistor Tunable Grounded Capacitor Dual-Input Differentiator Article Swipe

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Koushick Mathur , P. Venkateswaran , R. Nandi ·

YOU? · · 2015 · Open Access · · DOI: https://doi.org/10.4236/cs.2015.63005

A new current feedback amplifier (CFA) based dual-input differentiator (DID) design with grounded capacitor is presented; its time constant (τo) is independently tunable by a single resistor. The proposed circuit yields a true DID function with ideal CFA devices. Analysis with nonideal devices having parasitic capacitance (Cp) shows extremely low but finite phase error (θe); suitable design θe could be minimized significantly. The design is practically active-insensitive relative to port mismatch errors (ε) of the active element. An allpass phase shifter circuit implementation is derived with slight modification of the differentiator. Satisfactory experimental results had been verified on typical wave processing and phase-selective filter design applications.

Related Topics

Resistor

Electronic Engineering

Capacitor

Computer Science

Electrical Engineering

Engineering

Voltage

Artificial Intelligence

Concepts

Differentiator All-pass filter Resistor Electronic engineering Capacitor Current conveyor Integrator Filter (signal processing) Computer science Low-pass filter Electrical engineering Engineering Control theory (sociology) Band-stop filter Voltage Control (management) Artificial intelligence

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Type: article
Language: en
Landing Page: https://doi.org/10.4236/cs.2015.63005
PDF: http://www.scirp.org/journal/PaperDownload.aspx?paperID=54528
OA Status: diamond
Cited By: 1
References: 15
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DOI: https://doi.org/10.4236/cs.2015.63005

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Title: A Single Resistor Tunable Grounded Capacitor Dual-Input Differentiator

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Language: en

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Publication year: 2015

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Publication date: 2015-01-01

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Authors: Koushick Mathur, P. Venkateswaran, R. Nandi

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Landing page: https://doi.org/10.4236/cs.2015.63005

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Concepts: Differentiator, All-pass filter, Resistor, Electronic engineering, Capacitor, Current conveyor, Integrator, Filter (signal processing), Computer science, Low-pass filter, Electrical engineering, Engineering, Control theory (sociology), Band-stop filter, Voltage, Control (management), Artificial intelligence

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Cited by: 1

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