POWER MEASUREMENT CIRCUIT
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United States of America Patent
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Issued Date -
May 27, 2010
app pub date -
Nov 25, 2008
filing date -
Nov 25, 2008
priority date (Note) -
Abandoned
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Abstract
A power measurement circuit comprises: a transconductance rectifier arrangement including an input and configured to receive a sinusoidal input voltage signal; and an averaging filter for producing a time averaged DC output signal proportional to the mean square of the voltage at the input of the transconductance rectifier arrangement and representative of the average power of the input voltage signal within a range of voltages at the input.
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