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Definition of "Low Pass Filter" |
A filter designed to pass only frequencies from d.c. up to the cut-off frequency. / A filter designed to pass only frequencies from D.C. up to the cut off frequency. |
Definition of "Low-Pass Filter" |
A filter that passes a majority of the low frequencies on to the next circuit and rejects, or attenuates, the higher frequencies. Also called a high-frequency discriminator. Refer to the entry on Passive Filters, or refer to an Active Low Pass Filter Circuit, which uses an Op Amp. A filter network that passes all frequencies below a specified frequency with little or no loss, but strongly attenuates higher frequencies. A via in a Printed Circuit Board [PCB] also acts as a low pass filter. Related definitions; PCB Definitions. / A low-pass filter is a filter that passes low-frequency signals and attenuates reduces the amplitude of signals with frequencies higher than the cutoff frequency. The actual amount of attenuation for each frequency varies depending on specific filter design. It is sometimes called a high-cut filter, or treble cut filter 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. / Serial advanced technology attachment is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives and optical drives. / (1) filter exhibiting frequency selective characteristic that allows low-frequency components of an input signal to pass from filter input to output unattenuated all high-frequency components are attenuated. |
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