Butterworth filter
Filtro de Butterworth
- Date
- 1930 · confidence high
- Place
- London, United Kingdom
- Credited to
- Stephen Butterworth
- Field
- Matter & energy
What it is
A signal-processing filter designed to have a frequency response as flat as possible in the passband, described by Stephen Butterworth in his paper "On the Theory of Filter Amplifiers".
What it led to
- Reference standard in analog and digital filter design
- Widespread use in audio electronics and telecommunications