2007•Modern Electronics TechniqueRequires access

Novel Design of Voltage-Mode Universal Second-Order CFA Filter

Xianming Wu

Abstract

A voltage-mode universal second-order filter with three-input and single-output is presented only using two CFA.The circuit consists of only two CFA,two capcitors and three resistors.The device can perform the functions of second-order lowpass,bandpass,highpass,notch and allpass.The circuit is analyzed in detail.The circuit is simulated with PSpice.Results show that the design of circuit is correct and the circuit has the characteristics of simple structure and less number of components.

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Available abstract

Key concepts: All-pass filter, High-pass filter, Resistor, Band-pass filter, Electronic engineering, Passive integrator circuit, RL circuit, Filter (signal processing)