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有关HI7190 / HI7191负全面误差对转换频率

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有关HI7190/HI7191负全面误差对转换频率HI7190/HI7191NegativeFullScaleErrorvsConversionFrequencyTechnicalBriefFebruary1998TB348.1IntroductionThistechnicalbriefhighlightsarecentlydiscoveredperfor-TABLE1.FREQUENCYRANGESWHICHEXHIBITEDMIDmanceanomalywiththeHI7190/1.TheproblemoccursSCALEERRORSwhenthedigitalcodeforthenotchlterisprogrammed(Avoidthesecontrolregisterfrequencies)withincertainfrequencieslistedinTable1(assuminga10MHzclock).Webelievetheerroriscausedbythecalibra-CONVERSIONFREQUENCY……

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