Back مرشح باتروورث Arabic Filtre de Butterworth Catalan Butterworthův filtr Czech Butterworth-Filter German Filtrilo de Butterworth Esperanto Filtro de Butterworth Spanish Butterworthi filter Estonian Butterworth iragazki Basque Filtre de Butterworth French Filtro Butterworth Italian

Butterworth filter

Linear analog
electronic filters
Network synthesis filters
Image impedance filters
Simple filters
The frequency response plot from Butterworth's 1930 paper.[1]

The Butterworth filter is a type of signal processing filter designed to have a frequency response that is as flat as possible in the passband. It is also referred to as a maximally flat magnitude filter. It was first described in 1930 by the British engineer and physicist Stephen Butterworth in his paper entitled "On the Theory of Filter Amplifiers".[1]

  1. ^ a b Cite error: The named reference Butterworth1930 was invoked but never defined (see the help page).
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