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Simple circuit computes RMS value of AC power line

Posted: 22 Nov 2012  Print Version  Bookmark and Share Subscribe 

Keywords:root-mean-square  AC signal  rms-to-dc 

[Summary of tips] The root-mean-square value of an AC signal compares the heating value of an unknown AC signal to that of a known DC signal across identical loads. It is equal to the amount of DC required to produce an identical amount of heat in the load. When the power dissipated in the loads is equal, the known DC voltage equals the RMS valu......
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