Agilent Technologies 85671A manual UsingthePhaseNoiseUtility2-9

Models: 85671A

1 54
Download 54 pages 10.51 Kb
Page 29
Image 29

SlowlyMeasurementDriftingSignalsO￿setsCaution￿Considerations1MHzusinspctrumbeingInputmust￿FAoorlplotomeasurementsofisselectdamagedattenution0usuallydBinputuationanalyzermea0oiseBabouurementbytooinput.attehelps0o￿muchpowerfrom133attenuaprotectsetscanmadependingdBmbofmeasured,should1.theMHznTbeforespectrumgetontheminimizedhisthespectrumenteringslowlydevicetestedanalyzerasuremedriftingtoheanalyzerbeingprotectutiliputsignalrangeyfrom.theise.youThe

UseSystemoftheBottomNoiseFloorDivisionNOTinaccurateonampfreqbenoisewillPhaseIflevel,hofmeaurasetheinsowernotsytemthentcancellissetnoisehetrackingfuncion,rusmeoisewillappearcyofbethitinthefuDisplay.mentsoaveragingas￿Themeasmentsintrnalcalctionsethataccettingsheutility,shouldmaximumarur￿ctuallywilloatefor.gnaloccurringtheDwlloccursasuchhouldeibratorisspectrumthose.driftbemadeasbewhichwillutbebehighminimumintomaderatecheckindecreasedonthe￿analyzerthendtorbottominatcanthe.makethedioTh￿wsincerenoisesetith(cenremainderrdivisionbesignaltheionadevaluethanfrequentrackeder￿hecleanooofmoitsystemwillsethedift,equenthebecausequencysoof￿negativewilloorrefrenceandtherallyphasligtlyappeardepnd.displayforDo..ouldase)theto.

UsingthePhaseNoiseUtility2-9

Page 29
Image 29
Agilent Technologies 85671A manual UsingthePhaseNoiseUtility2-9