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Definition of "high pass filter" |
A filter designed to pass all frequencies above its cut-off frequency. / A filter designed to pass all frequencies above its cut off frequency. / (1) filter exhibiting frequency selective characteristic that allows high-frequency components of an input signal to pass from filter input to output unattenuated, all lower frequency components are attenuated. |
Definition of "High-Pass Filter" |
A filter that passes a majority of the high frequencies on to the next circuit and rejects, or attenuates, the lower frequencies. A filter that passes frequencies above a given frequency and attenuates all others. See the High Pass Frequency Response curve below right. Also called a Low-Frequency Discriminator. Refer to the entry on Passive Filters. Also see the entry on Active High Pass Filter Design, using Op-Amps. / High-Pass Filter is an electronic filter that passes high-frequency signals but attenuates reduces the amplitude of signals with frequencies lower than the cutoff frequency. The actual amount of attenuation for each frequency varies from filter to filter. A high-pass filter is usually modeled as a linear time-invariant system. / In computing, mass storage refers to the storage of large amounts of data in a persisting and machine-readable fashion. Devices and/or systems that have been described as mass storage include tape libraries, RAID systems, hard disk drives, magnetic tape drives, optical disc drives, magneto-optical disc drives, drum memory, floppy disk drives, punched tape and holographic memory. / a filter that has a transfer function, or frequency response, whose values are small for frequencies lower than some intermediate frequency. A filter whose impulse response is a high-pass signal. |
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