Low-pass filter

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A Class D amplifier with an integral low pass filter, intended for powering subwoofers

A low-pass filter is an electronic filter that passes low-frequency signals but attenuates (reduces the amplitude of) signals with frequencies higher than the cutoff frequency. The actual amount of attenuation for each frequency varies from filter to filter. It is sometimes called a high-cut filter, or treble cut filter when used in audio applications. A low-pass filter is the opposite of a high-pass filter. A band-pass filter is a combination of a low-pass and a high-pass.

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• Related: Baseband, Band-stop filter

Low-pass filter Low-pass filter www.allaboutcircuits.com/vol_2/chpt_8/2.html - Web

Low Pass Filter java simulator Low Pass Filter java simulator www.st-andrews.ac.uk/.../lpf.html - Web

ECE 209: Review of Circuits as LTI Systems ECE 209: Review of Circuits as LTI Systems www.tedpavlic.com/.../circuits_sys_review.pdf - Web

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ECE 209: Sources of Phase Shift ECE 209: Sources of Phase Shift www.tedpavlic.com/.../lab3_opamp_FO_phase_shift.pdf - Web

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