low-pass filter

Noun

Meaning

a filter that passes frequencies below a certain value and attenuates frequencies above that value

Synonyms

Hypernyms

Examples

A brick-wall low-pass filter, H(f), removes the images, leaves the original spectrum, X(f), and recovers the original signal from its samples. Source: Internet

A low-pass filter is a filter that passes signals with a frequency lower than a certain cutoff frequency and attenuates signals with frequencies higher than the cutoff frequency. Source: Internet

Boss Audio class-D mono amplifier with a low-pass filter for powering subwoofers In the class-D amplifier the active devices (transistors) function as electronic switches instead of linear gain devices; they are either on or off. Source: Internet

Common filter response specifications are described as follows: *A low-pass filter passes low frequencies while blocking higher frequencies. Source: Internet

Continuous-time low-pass filters The gain-magnitude frequency response of a first-order (one-pole) low-pass filter. Source: Internet

Examples Acoustics A stiff physical barrier tends to reflect higher sound frequencies, and so acts as a low-pass filter for transmitting sound. Source: Internet

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