all-passadj.

Brit.

/ˌɔːlˈpɑːs/,

/ˌɔːlˈpas/, U.S.

/ˈɔlˈpæs/

Origin: Formed within English, by compounding. Etymons: all adj., pass n.⁴

Etymology: < all adj. + pass n.⁴ Compare high-pass adj. at high adj. and n.² Compounds 4.

Electronics.

Designating a filter that attenuates signals of all frequencies equally but introduces a frequency-dependent phase shift; of or relating to such a filter.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > [adjective] > relating to types of filter

low-pass1917

high-pass1921

all-pass1930

narrow-cut1964

1930 Bell Syst. Techn. Jrnl. 9 496 The phase characteristics..may for convenience be classified as follows: (1) those typical of the low pass filter and the loaded line, (2) those of band pass filters, (3) those of high pass filters, and (4) those of all pass networks.

1943 F. E. Terman Radio Engineers' Handbk. iii. 244 A phase equalizer is an all-pass filter designed to introduce a desired phase shift as a function of frequency in the load current.

1991 G. H. Tomlinson Electr. Networks & Filters x. 189 We consider only the symmetrical network since..this is sufficient to realize any allpass transfer function.

2002 F. Broughton & B. Brewster How to DJ (Properly) 161 A low-pass filter will let the bass through and cut the mids and highs; an all-pass filter will let everything through (but it might slow it down a bit).

This is a new entry (OED Third Edition, September 2012; most recently modified version published online December 2021).

单词	all-pass
释义	all-passadj. Brit. /ˌɔːlˈpɑːs/, /ˌɔːlˈpas/, U.S. /ˈɔlˈpæs/ Origin: Formed within English, by compounding. Etymons: all adj., pass n.⁴ Etymology: < all adj. + pass n.⁴ Compare high-pass adj. at high adj. and n.² Compounds 4. Electronics. Designating a filter that attenuates signals of all frequencies equally but introduces a frequency-dependent phase shift; of or relating to such a filter. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > [adjective] > relating to types of filter low-pass1917 high-pass1921 all-pass1930 narrow-cut1964 1930 Bell Syst. Techn. Jrnl. 9 496 The phase characteristics..may for convenience be classified as follows: (1) those typical of the low pass filter and the loaded line, (2) those of band pass filters, (3) those of high pass filters, and (4) those of all pass networks. 1943 F. E. Terman Radio Engineers' Handbk. iii. 244 A phase equalizer is an all-pass filter designed to introduce a desired phase shift as a function of frequency in the load current. 1991 G. H. Tomlinson Electr. Networks & Filters x. 189 We consider only the symmetrical network since..this is sufficient to realize any allpass transfer function. 2002 F. Broughton & B. Brewster How to DJ (Properly) 161 A low-pass filter will let the bass through and cut the mids and highs; an all-pass filter will let everything through (but it might slow it down a bit). This is a new entry (OED Third Edition, September 2012; most recently modified version published online December 2021). < adj.1930
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