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Design of Voltage-Mode nth-Order CFA Low-Pass Filters

Yigang He

Abstract

A new design for high-order voltage-mode low-pass filters only using CFA was presented.The design formula for the CFA filter was given.The application example of a new fourth-order Butterworth low-pass filters was given,it was simulated with Pspice.Results show that the design of low-pass filter circuit is feasible.The circuit has the characteristics of simple structure and less number of components.

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Available abstract

Key concepts: Low-pass filter, Filter (signal processing), Butterworth filter, Network synthesis filters, High-pass filter, Electronic engineering, Filter design, Control theory (sociology)