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LH0091 True RMS to DC Converter
September 1993
LH0091 True RMS to DC Converter
General Description
The LH0091 rms to dc converter generates a dc output equal to the rms value of any input per the transfer function EOUT(DC) e
Features
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1 T EIN2(t) dt T 0
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The device provides rms conversion to an accuracy of 0 1% of reading using the external trim procedure It is possible to trim for maximum accuracy (0 5 mV g 0 05% typ) for decade ranges i e 10 mV x 100 mV 0 7V x 7V etc
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Low cost True rms conversion 0 5% of reading accuracy untrimmed 0 05% of reading accuracy with external trim Minimum component count Input voltage to g 15V peak for VS e g 15V Uncommitted amplifier for filtering gain or high crest factor configuration Military or commercial temperature range
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