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band-pass filter

[band-pas, -pahs]
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noun Electricity, Electronics.
  1. a filter that attenuates all frequencies except those of a specific band, which it amplifies.

Origin of band-pass filter

First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for band-pass filter

band-pass filter

noun
  1. electronics a filter that transmits only those currents having a frequency lying within specified limitsCompare high-pass filter, low-pass filter
  2. an optical device, consisting of absorbing filters, for transmitting electromagnetic waves of predetermined wavelengths
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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