51Թ

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band-pass filter

[band-pas, -pahs]

noun

Electricity, Electronics.

  1. a filter that attenuates all frequencies except those of a specific band, which it amplifies.

band-pass filter

noun

  1. electronics a filter that transmits only those currents having a frequency lying within specified limits Compare 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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51Թ History and Origins

Origin of band-pass filter1

First recorded in 1920–25

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