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Butterworth Low Pass Filter

Butterworth Low Pass Filter

作者: Green_Mage | 来源:发表于2018-10-23 18:46 被阅读0次

The Butterworth type filter was first described by the British engineer Stephen Butterworth.

A PI filter is a filter that has a series element and two parallel elements connected in the shape of the Greek letter PI.

Butterworth filter are characterized by a constant gain (flat response) across the midband of the circuit and a 20 dB per decade roll-off rate for each pole contained in the circuit.

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