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IEVref:561-02-74ID:
Language:enStatus: Standard
Term: transducer attenuation
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Definition: logarithmic ratio, expressed in decibels, of the available power of the given source to the power that the device delivers to a load impedance under specified operating conditions

Note 1 to entry: Transducer attenuation is given by

TL=10log P a P L [ dB ] MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbbjxAHXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeqabiGaciGacaqadmaadaqaaqaaaOqaaGqaaiaa=rfacaWFmbGaeyypa0JaaGymaiaaicdaciGGSbGaai4BaiaacEgadaWcaaqaaiaadcfadaWgaaWcbaGaaeyyaaqabaaakeaacaWGqbWaaSbaaSqaaiaabYeaaeqaaaaakiaaysW7daWadaqaaiaabsgacaqGcbaacaGLBbGaayzxaaaaaa@4546@

where

Pa is the available power

PL is the power that device delivers to a load impedance

Note 2 to entry: This entry was numbered 561-03-20 in IEC 60050-561:1991.


Publication date:2014-11
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