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单词 attenuator
释义

attenuatorn.

/əˈtɛnjuːeɪtə/
Etymology: < attenuate v. + -or suffix.
A device which introduces attenuation in an electrical signal or current.
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attenuator1924
1924 Wireless World 3 Sept. 643 The mechanical filter, or as it has sometimes been termed..the mechanical attenuator.
1931 B.B.C. Year-bk. 436/2 Attenuator, an arrangement of calibrated resistances to introduce loss into a circuit.
1963 B. Fozard Instrumentation Nucl. Reactors x. 122 Variation of the over-all gain is effected by the use of switched resistance attenuator networks.
This entry has not yet been fully updated (first published 1972; most recently modified version published online December 2019).

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