XXXX-12-22_天馈线分析仪Site-Master-S331D操作培训

Slide1of33SiteMaster20041Slide2of33¾¾¾()¾¾¾¾Slide3of33¾¾¾()¾¾¾¾Slide4of33Slide5of33¾¾Slide6of33¾?‰ooooooooSlide7of33¾‰?¾‰?‰?‰?¾‰?‰?‰?¾‰?‰?¾‰?‰?Slide8of33¾‰?Slide9of33¾‰?¾‰?‰?‰?¾‰?‰?‰?¾‰?‰?¾‰?‰?Slide10of33¾‰‰o‰o3000MHz(3.0GHz)o3000MHzSlide11of33¾‰?¾‰?‰?‰?¾‰?‰?‰?¾‰?‰?¾‰?‰?Slide12of33¾‰oo‰‰“”o“”1o“”Slide13of33¾‰?‰ooo‰‰‰Slide14of33¾‰?¾‰?‰?‰?¾‰?‰?‰?¾‰?‰?¾‰?‰?Slide15of33¾‰‰“”oSlide16of33¾‰?¾‰?‰?‰?¾‰?‰?‰?¾‰?‰?¾‰?‰?Slide17of33¾?(1)(2)Slide18of33¾:‰‰‰‰‰‰‰……Slide19of33¾‰o(3.0GHz)o(3.0GHz)‰o‰oSlide20of33¾¾Slide21of33¾?‰‰‰‰Slide22of33¾?‰oo‰‰‰Slide23of33¾‰o–o–o–Slide24of33¾?‰‰o‰‰Slide25of33¾?‰‰‰oo‰Slide26of33¾?‰‰‰‰oo()Slide27of33¾‰‰Slide28of33¾¾¾¾¾¾¾Slide29of33¾¾¾?¾-RF¾?¾?Slide30of33¾z––Slide31of33¾o–o–Slide32of33/oSlide33of33¾RFSlide34of33¾•DC•••Slide35of33¾¾‰/¾‰‰¾‰()‰Slide36of33¾?‰oooSlide37of33¾?‰ooo/“”Slide38of33¾?‰ooo“”Slide39of33¾?‰VSWR‰ReturnLossSlide40of33¾VSWR=Vi=Vr,50EmaxEminVSWR=Emax/Emin=(1+ρ)/(1-ρ)Γ=Vr/Vi;ρ=1Γ1Slide41of33¾=,50RL=-20LgρΓ=Er/Eiρ=1Γ1RL=-10LgρΓ=Pr/Piρ=1Γ1PiPrSlide42of33¾SWR/‰?o‰VSWR(RL)o1.5:1(-14dB)o1.22:1(-20dB)o1.17:1(-22dB)o1.06:1(-30dB)Slide43of33¾(Zo)Zo=Zs=ZoZL=ZoVincVref=0!()Slide44of33¾()Zs=ZoVincVrefSlide45of33¾(Zs≠ZL)Zs=ZoZL=25ΩVincVrefSlide46of33Slide47of33¾5‰‰(SWR)‰(SWR)‰(SWR)‰(SWR)Slide48of33¾‰‰o1/2‰Slide49of33¾SWR„FDR„ooooSlide50of33¾„SWR„FDR„oooSlide51of33¾(DTF)‰FDR(FFT)‰(VSWR)oSWRooSlide52of33¾oooo¾=(CxVf)/2df=[(CxVf)xdp]/2dfC3x108VfdfdpSlide53of33¾2‰GSMDTFVf=0.88dp=128F2-F1=960-890MHz=70MHz=7x107Hz=1.89m=1.89X128=241mVf=0.88dp=512F2-F1=960-890MHz=70MHz=7x107Hz=1.89m=1.89X512=968m‰GSMDTFVf=0.88dp=128F2-F1=1890-890MHz=1000MHz=10x108Hz;=0.3m=0.3x128=38.4mVf=0.88dp=512F2-F1=1890-890MHz=1000MHz=10x108Hz;=0.3m=0.3x512=153.6mSlide54of33¾Slide55of33!¾?¾?¾?¾SWR?¾/SWR?¾DTF¾¾Slide56of33¾¾¾()¾¾¾¾Slide57of33()¾?¾?‰FDR‰TDR‰‰‰Slide58of33()¾FDR‰:SWR‰:¾TDR‰:‰:VSWR¾‰:‰:¾‰:‰:¾‰:‰:Slide59of33TDRvs.FDR--ReflectedR1R2R1R2R3TDRIncidentDUTIncident0timeReflectedR3t1t2t3×0t1t2t3TimeSlide60of33TDRvs.FDRf1f2FDRTDR•TDRDC,TDR1/4DC2%TDRSlide61of33TDRvs.FDR¾SiteMastersFDR‰‰“”1/4Slide62of33¾:1/4‰1/4‰TDRvsFDRRFCable1/4TDR1/4!Slide63of33¾RF‰?oTDRFDR‰o¾‰‰TDR–TDRvsFDRSlide64of33TDRvsFDR¾DTF‰:TDR‰:TDR¾FDR‰FDRSWR()Slide65of33(DTF)¾‰TDR‰FDR¾‰TDR‰FDR¾‰TDR‰FDRTDRvsFDRSlide66of33FDRvs.SPASNA¾FDRSiteMaster(CellMaster)‰o-//(Open/Short/Load)S¾SPASNA‰oo/–o/–Slide67of33¾‰‰FDRSiteMasterSPA/SNA42dB30dB120dB123dBSlide68of33¾-10.00-5.000.005.0010.0015.0020.0025.0030.0035.0040.000510152025303540MEASUREDRETURNLOSS(dB)UNCERTAINTY(dB)FDR/VNASiteMasterSPA/SNASPA/SNAFDR/VNASiteMasterSlide69of33¾FDR(VNA):RL=-42dB(SWR=1.02)¾SPA/SNA:RL=-20dB(SWR=1.22)-50-45-40-35-30-25-20-15-10-500.0500.01000.01500.02000.02500.0SPA/SNAMeasuredFDR(VNA)MeasuredFrequency(MHz)ReturnLoss–Slide70of33–CorrectedSourceMatch-60-50-40-30-20-10005001000150020002500Frequency(MHz)ReturnLoss(dB)SPA/SNAMeasuredFDR(VNA)MeasuredzFDR(VNA):RL=-23dB(SWR=1.15)zSPA/SNA:RL=-20dB(SWR=1.22)Slide71of336dB-9-8-7-6-5-4-38001000120014001600180020002200Frequency(MHz)ReturnLoss(dB)6dBOffsetLoadSPA/SNAFDR(VNA)•RL=-6dB(SWR=3.01)Slide72of3320dB-32-30-28-26-24-22-20-18-16-14800.01000.01200.01400.01600.01800.02000.02200.0FDR(VNA)SiteMasterFDR(VNA)CellMasterSPA/SNAFrequency(MHz)•RL=-20dB(SWR=1.22)Slide73of33¾SWR¾FDR(VNA)SNA/SPA¾ReturnLoss(dB)SWR≤-35to-40≤-25to–30≤-15to-18≤1.04~1.02≤1.07~1.12≤1.3~1.54.9ftjumpercable20ftFLC78-50JFeedline9.8ftjumpercable20ftFLC78-50JFeedline50ΩLoadSlide74of33(DTF)–-70-60-50-40-30-20-100102030405060Distance(ft)ReturnLoss(dB)4.9ftjumper20ftFLC78-50J20ftFLC78-50J9.8ftjumper50ΩLoadLooseconnection44.9ftSPA/SNA-13.4dBFDR(VNA)-21.83dBSlide75of33¾FDR(VNA)SiteMaster‰¾SPA/SNA‰2Slide76of33-8-7-6-5-4-3-2-101205001000150020002500Frequency(MHz)Loss(dB)FDR(VNA)SiteMaster–averagecableloss=1.38dBSPA/SNAReturnLoss/24.9ftjumpercable20ftFLC78-50JFeedline9.8ftjumpercable20ftFLC78-50JFeedlineShortSlide77of33¾FDR(VNA)SiteMaster¾SPA/SNA–“”+17dBm“”-5dBmSlide78of33¾“”SPA/SNAYBA250MT8212ACWOFFMT8212ACWONFSH320dBoffsetloadDirectionalCoupler1.5mtestportcable10dBcouplingS331DMG3681A(CW)source-60to+17dBmRFImmunityTOINTERFERENCEINRETURNLOSSMODE-80-70-60-50-40-30-20-10010012345678ChangeinReturnLoss(dB)InterferenceSignal(dBm)MT8212AFDR(VNA)SMCWOFFFDR(VNA)SMCWONSPA/SNASlide79of33¾DTFReturnLosswithoutandwithinterfererat147.37MHz(+6dBm)3mtestportcableKenwoodTH-F6S331DSPA/SNA1.5mtestportcable1.5mtestportcableLooseconnectionMT8212ATransmittingNarrowbandFMat147.37MHz30dBAttenuator-50-40-30-20-100102030ReturnLoss(dB)-60100600110016002100Frequency(MHz)Slide80of33¾DTF3mtestportcableS331DSPA/SNA1.5mtestportcable1.5mtestportcableLooseconnectionMT8212ATransmittingNarrowbandFMat147.37MHz30dBAttenuatorDTFwithoutandwithinterfererat147.37MHz(+6dBm)-60-55-50-45-40-35-30-25-200510152025Distance(ft)ReturnLoss(dB)Slide81of33¾“”‰6‰oTDRoooSWR¾FDR=¾=Slide82of33()¾‰FDRTDRFDR„FDRRFDC„RF»,1/4-‰SWRRLoFDRSlide83of33¾¾¾()¾¾¾¾Slide84of33¾¾¾‰‰‰‰‰Slide85of33¾¾¾‰‰‰‰‰Slide86of33:¾SiteMaster(CellMaster)¾¾¾AC/DC(¾(),12VDC¾;RS232,9-Pin,¾CDROMHHSA¾¾()Slide87of33:¾3LCD¾29¾50T1/E1¾S332D(50,329)Slide88of33:¾‰‰//¾¾¾¾……Slide89of33–¾‰