band-pass filter

[ band-pas, -pahs ]
/ ˈbændˌpæs, -ˌpɑs /

noun Electricity, Electronics.

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

British Dictionary definitions for band-pass filter

band-pass filter

noun

electronics a filter that transmits only those currents having a frequency lying within specified limits Compare high-pass filter, low-pass filter
an optical device, consisting of absorbing filters, for transmitting electromagnetic waves of predetermined wavelengths