Design of Active Filter Based on MATLAB

Sheng Hui Xu

doi:10.4028/www.scientific.net/AMM.668-669.862

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 668-669Design of Active Filter Based on MATLAB

Design of Active Filter Based on MATLAB

Abstract:

A new fast design method for active filter is proposed which is different from the conventional ones, as the conventional methods such as the application of manual calculation tends to be time-consuming, complex and pone to error in determination of active filter’s transfer function, also the application of table look-up can only apply to the filter of limited order less than 10. This fast method is illustrated in detail by a practical example of high pass filter. First, transfer function can be rapidly calculated in MATLAB, then the filter circuit performance simulation is presented through EDA, the results show that the proposed method enhances the efficiency of the design as it is fast, precise and direct, what’s more, the fast method is of practical guiding significance to active filter’s design, especially for high order ones.

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Periodical:

Applied Mechanics and Materials (Volumes 668-669)

Pages:

862-865

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.668-669.862

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Online since:

October 2014

Authors:

Sheng Hui Xu*

Keywords:

Active Analog Filter, High Pass Filter, Simulation, Transfer Function

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* - Corresponding Author

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