标签: sweep

FFTandSweepspectrumanaAgilentPerformanceSpectrumAnalyzerSeriesSweptandFFTAnalysisApplicationNoteSpectrumanalysismeasurementsofteninvolvetrade-offsbetweenaccuracy,speedanddynamicrange.Inmostcases,emphasisononeoftheseparametersadverselyimpactstheothertwo.Forexample,thewideresolutionbandwidths(RBW)usedtoachievefastmeasurementspeedsresultinhighernoiselevelsandpotentiallyreducedynamicrange.IncreasingthesweeprateimprovesmeasurementspeedsforagivenRBWbutreducesaccuracyduetoinadequatesettlingtimefortheintermediatefrequency(IF)filters.Alternatively,dynamicrangemaybeemphasizedattheexpenseofmeasurementspeedbecauseoftheneedtousenarrow(slowsweeping)RBWfiltersand,insomecases,averaging.TheAgilentTechnologiesper……