MAT800可编程衰减器MAT800日本迈可尼斯/MICRONIX中国总代理Windows98/Me/2000/XPcorrespondenceGP-IB,RS-232Candsoftwareformakingattenuationprogramarestandardaccessories.OptimumforevaluationofcommunicationqualityofsuchwirelesscommunicationequipmentsasW-CDMA,CDMA,GSM,PDC,PHS,ETC,wirelessLANandBluetooth.MAT800isamulti-functionalandall-outprogrammableattenuatorthatiscapableofcontrollingtheattenuationofmicrowavesignalatanultra-highspeed.◆Features1. Thearbitraryattenuationprogramsispossible *128kwordsbuilt-inprogrammemory *Maximum2 sswitching(readout)speed *ThreereadoutmodesofFREE,BURSTandGATE *Setupofholdoffperiodbythenumberofclocksorbytime2. Thesoftwareformakingattenuationprogramisastandardaccessory3. GP-IBandRS-232Careequippedasstandardaccessories4. Fourmodelsarepreparedforeveryfrequencyband *modelA:1.5to4.5GHz *modelB:3.0to9.0GHz *modelC:4.5to13.5GHz *modelD:1.95to5.85GHz5. Themaximumattenuationis80dB6. Theminimumstepsizeofattenuationis0.05dB 1.Attenuationmode2.AttenuationSelecteithermanualsetuporprogrammedsetup.*Referto Settingofattenuation .Settheattenuation.Itisvalidinthemanualmode.0to80dBin0.05dBsteps.3.Filter4.ReadoutclockSelectswitchingresponsetimeofattenuator.*Referto Aboutafilter .Setreadoutclockofprogrammemory.Externalclockandmanualclockareavailable.5.Programlength6.ProgramholdoffperiodSetprogrammemorylength.8to131,072wordsinonewordstep.Setholdoffperiodofprogrammemory,thatis,thetimetillthenextreadoutisstarted.Performsetupbynumberofreadoutclocksorbytime.*Referto Settingofattenuation .7.Readoutmode8.SetupSetreadoutmethodofprogrammemoryfromFree,BurstandGate.*Referto Programreadoutmode .SetparametersofRS-232CorGP-IB.9.Externalreadoutclock10.TriggerinputConnectorforinputofexternalclockforreadingprogrammemory.ConnectorforinputoftriggersignalforsuchreadmodeasBurstorGate.*Referto Programreadoutmode .11.SYNCoutput12.Attenuatorinput/outputAsignalsynchronizedwiththetopaddressoftheprogrammemoryisoutput.*Referto Programreadoutmode .SMAconnectorforattenuatorinput/output.◆SettingofattenuationTwomethodsareavailableforsetupofattenuation;manualorprogram.Selectoneby ATTENMODE .●ManualmodeSettheattenuationusingtherotaryencoderonthefrontpanel.Alternatively,performsetupfromoutsideusingRS-232CorGP-IB.Thesetupparametersinmanualmodeareattenuationandfilteronly.MANUAL23.45dB30 s●ProgrammodeReadthememorystoringattenuationdatatransferredfromthecomputer.Therearefiveparametersintheprogrammode;readoutclock,programlength,hold-offperiod,readoutmodeandfilter.PRGM10kHzL:131072P:6.5535sFREE30 sTheprogramreadoutperiodistheperiodfromaddress0ofthememorytoaddressn(setbyprogramlength).Theprogramlengthcanbesetbetween8and131072wordsinonewordstep.Whentheprogramisreaduptoaddressn,theattenuationdataataddressnisheldfortheholdoffperiod(setbynumberofreadoutclocksorbytime),andonterminationofholdoffperiod,thememoryisreadoutfromaddress0again.AboutafilterCRfilterisinsertedintheattenuationcontrollingline.Usewhenitisrequiredtosmooththechangeatthemomentofswitchingattenuation.However,itisnecessarytopayattentiontotherelationwiththereadoutclock.Anappropriatefiltervalueisnormally1/2to1/8oftheclockperiod.◆ThemethodofaprogramWhenitisnecessarytousetheprogrammode,inputtheprogram(waveform)onaWindowscomputerusing Softwareformakingattenuationprogram ,whichisprovidedasastandardaccessory.ThentransferthisattenuationdatatothememoryofMAT800usingRS-232CorGP-IB.Readoutclock,programlength,holdoffperiod,readoutmodeandfilteraresetfromthecomputer.Ofcourseitispossibletosetbykeysonthefrontpanel.Connectexternalclockandtriggersignalasrequired.●Waveformcreation1.StandardwaveformsinputTheninetypesofstandardwaveformsareprepared.Theyaresinewave,trianglewave,squarewave,rampwave,sinX/X,(1- -ax), -axwhitenoiseandDC.2.StraightlineinputTwospecifiedpointsarelinkedtogetherbymeansofastraightline.3.ArithmeticcalculationinputAwaveformiscreatedbyarithmeticcalculationofaddition,subtraction,clipping,absolute,mirror,smoothing,resizeandoffset.4.One-pointinputAwaveformiscreatedthroughinputofonepointatatime.●WaveformeditingandfilemanagementWaveformeditingandfilemanagementmaybeperformedusingCUT,COPY,PASTEandUNDO.◆ProgramreadoutmodeThreeprogramreadoutmodesareavailable;Free,BurstandGate.ReadoutisexecutedregardlessofthetriggersignalintheFreemode.IntheBurstmode,thereadoutofprogrammemoryisstartedattherisingedgeofthetriggersignal,theattenuationdataoftheterminatingaddressishelduntilthenextactivation.Therefore,setupoftheholdoffperiodisnotpermittedintheBurstmode.IntheGatemode,onesetofthereadoutofprogrammemoryandholdoffperiodisrepeatedwhilethetriggersignalisofahighlevel.Thelastattenuationdataisheldwhenthetriggersignalgoesdowntoalowlevelandthenaddressnofprogrammemoryisreadout.◆Application-wirelesscommunicationqualitytestbychangingtransmissionpowerWithwirelesscommunicationequipments,W-CDMA,CDMA,GSM,PDC,PHS,ETC,wirelessLANandBluetooth,thetransmissionpowerchangesduetoobstaclesandmulti-pathsbesidestheoreticalspacelosses,whentheradiowaveistransmittedthroughthespace.ThischangingpatterncanbesimulatedusingMAT800andthecommunicationqualitycanbeevaluated.Thischangingpatterncanbeeasilycreatedusing Softwareformakingattenuationprogram .Itwillbeveryconvenientifour ShieldingboxME8661A isusedforthistest.◆SpecificationmodelAmodelBmodelCmodelDFrequencyrange 1.5to4.5GHz 3.0to9.0GHz 4.5to13.5GHz 1.95to5.85GHzVSWR 1.5@2to4GHz 2.0@1.5to4.5GHz 1.7@4to8GHz 2.2@3to9GHz 1.8@6to12GHz 2.2@4.5to13.5GHz 1.6@2.6to5.2GHz 2.1@1.95to5.85GHzInsertionloss(0dBsetting) 2.3dB@2to4GHz 2.6dB@1.5to4.5GHz 3.0dB@4to8GHz 3.3dB@3to9GHz 3.5dB@6to12GHz 3.8dB@4.5to13.5GHz 2.6dB@2.6to5.2GHz 2.9dB@1.95to5.85GHzAttenuator Settingrange Settingresolution Accuracy (atcenteroffrequencyrange and+10dBminput) Impedance Filter Maximuminputlevel Inputdamagelevel Input/outputconnectorReadoutclockinput Inputlevel Maximumfrequency Inputimpedance Minimumpulsewidth Inputdamagelevel ConnectorTriggerinput Inputlevel Inputimpedance Minimumpulsewidth Inputdamagelevel ConnectorSYNCoutput Outputlevel Rise/Falltime Outputimpedance Connector0to80dBlessthan0.05dBlessthan 0.5dB@0to10dBlessthan 0.8dB@ 10to30dBlessthan 1.0dB@ 30to50dBlessthan 1.5dB@ 50to64dBlessthan 2.0dB@ 64to74dBlessthan 3.0dB@ 74to80dB50ohmnominal1 sto3ms,1-3step100mW@CWorpeakpower0.8W@averagepower20W@peakpowerof1 spulseSMATTLlevel500kHz10kohm 5%morethan200ns(bothofhighandlow) 20V(DC+ACpeak)maxBNCTTLlevel10kohm 5%morethan1 s 20V(DC+ACpeak)maxBNCTTLlevellessthan100nsapprox.100ohmBNC◆FunctionsAttenuationmodeProgrammode Programlength Readoutclock Internalclock Externalclock Manualclock Holdoffperiod Clocksetting Timesetting ReadmodeBackupofprogramManualandProgram8to131072words,(availableforsettinginonewordstep)100Hzto500kHz,1-2-5stepDCto500kHzDuetopressingENTERkey0to65535clocksofreadoutclock(availableforeachclock)0to6.5535sec(by100 sstep)Free,Burst,GateProgramdataisautomaticallysavedwhenturningoff.◆Softwareformakingattenuationprogram EffectiveOSMakingwaveform Standardwaveform Waveformtype Parameter Straightline Calculation OnepointinputEditingofwaveformFileWindows95/98/Me/2000/XPSine,Triangle,Square,Ramp,sinX/X,(1- -ax), -ax,WhitenoiseandDCDatasize,Attenuation(exceptDC),Offset,Cycle(exceptWhitenoiseandDC),Phase( )(exceptWhitenoiseandDC),Dutyratio(%)(onlySquarewave),Zerocross(onlysinX/X),Attenuationratio((1- -ax)and -ax)Linktwopointswithline+,-, ,Clipping,Absolute,Mirror,Smoothing,Resize,OffsetInputeachpointCut,Copy,Paste,Undo,DeleteNew,Open,Close,Save,Saveas,Dataimport,Dataexport,Print,Printersetup,Transmit,Exit◆Others DisplayInterface RS-232C Baudrate GP-IB AddressLCD(20characters 2columns)StandardAccessory2,400to57,600StandardAccessory0to30◆GeneralMICRONIXCorporationreceivestherighttomakechangesindesign,specificationandotherinformationwithoutpriornotice.OperatingtemperatureOperatinghumidityStoragetemperaturePowerSupplyWeightDimensionsStandardaccessories0to40 C(Guaranteedat23 5 C)lessthan40 C/80%RH(Guaranteedatlessthan28 C/80%RH)-10to+60 C/lessthan80%RH90to132VAC/180to250VAC (selectablebyaswitchlocatedonrearpanel)approx.4.5kg260(W) 115(H) 360(D)mm(excludingprojections)Instructionmanual(1pc),Powercable(1pc),Fuse(1pc),FDformakingattenuationprogram(1pc),RS-232Ccable(1pc)◆OptionalGP-IBcableＣoaxialcableＣoaxialcableＣoaxialcableFixedmicrowaveattenuators50ohmterminationＭＩ200MC201MC202MC203(1to10,12,13,15,20dB)(SMA)