ATIS Telecom Glossary
Wednesday, July 30, 2014

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psophometric voltage
Circuit noise voltage measured with a psophometer that includes a CCIF-1951 weighting network. Note 1: "Psophometric voltage" should not be confused with "psophometric emf," i.e., the emf in a generator or line with 600 internal resistance. For practical purposes, the psophometric emf is twice the corresponding psophometric voltage. Note 2: Psophometric voltage readings, V, in millivolts, are commonly converted to dBm(psoph) by dBm(psoph) = 20 log10V - 57.78.

 

 

 

 

 

 

 

 

 

 



 
These definitions were prepared by ATIS Committee PRQC
 
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