397高性能双通道任意波形发生器WaveformsWaveformsStandardwaveforms:sine,square,triangle,ramp,sinc,pulse,noise,GaussianaswellasdcSineRange0.1mHzto50MHzResolution7digitsor0.1mHzAccuracy<1ppmfor1yearTemp.coefficient<1ppm/°CHarmonicdistortionandnonrelatedspuriousbelow10MHz<0.1%THDto100kHz(2000waveformpoints)<–55dBcto1MHz<–40dBcto5MHz<–35dBcto10MHz<–22dBcto50MHzSquareRange0.1mHzto50MHzResolution0.1mHzor7digitsRiseandfalltimes<10nsTriangleRange0.1mHzto12.5MHzResolution0.1mHzor7digitsAccuracy1ppmfor1yearLinearityerror<0.1%to100kHzPulseRange0.1mHzto12.5MHzDelay0%to99.9%ofperiodRiseandfalltimes0%to99.9%ofperiodHightime0%to99.9%ofperiodResolution0.10%ArbitraryWaveformsStoredwaveforms397:Upto4096eachchannelWaveformlength16to4MpointsVerticalresolution14bitsSampleclockrange100mHzto125MHzWaveformsequencingUpto4096segmentsmaybelinked.Minimumsegmentduration1µs.Segmentscanbeloopedupto1,000,000timesAmplitudeOutputimpedance50ΩAmplitudeRange10mVppto10Vpp(20mVppto20Vppintoopencircuit)Accuracy<1%±25mVbetween1Vto10Vppinto50ΩFlatness±5%to10MHz;±20%to50MHzDCoffset±4.5Vinto50Ω.DCoffsetplussignalpeaklimitedto±10V.DCoffsetattenuatedwithamplituderangeOutputFilters50MHzEllipticand2MHzEllipticalModulationModesTriggeredburstEachactiveedgeofthetriggersignalwillproduceoneburstofthecarrierwaveform,waveformsstartsfrompointnandcompletesatpointn-1GatedTheselectedwaveformisoutputcontinuouslyattheprogrammedfrequencywhiletheselectedgatesignalistrueWaveformsAllstandardandarbitraryCarrierfrequency125Msample/sforARBandSequence.2.5MHzorthemaximumofselectedwaveformNo.ofcycles1to1,000,000TriggersourceManualtriggerkey,adjacentchannelorinternaltriggergeneratororexternaltriggerinputorremotetriggercommandTriggerrateInternaltriggergenerator:0.1Hzto2MHz;Externalsignal:dcto2MHzStart/stopphase±360°,settableto0.1°subjecttowaveformfrequencyandtypeFrequencysweepManual,continuous,triggered;linearorlogarithmicsweep;upordown.Variablesweepmarker.Sweeprange1mHzto125MHzSweeptime1msto999sSweeptriggersourceExternaltriggerinputorremotetriggercommandToneswitchingFSKtoneswitchingforallwaveformsExternalAMViarearpanelBNCinput,dc-500kHzforallstandardandarbitrarywaveformsOutputsandInputsMainoutputs397:00:00TwochannelSyncoutputsFrontpanelBNCconnectorgeneratessyncpulsesynchronouswithoutputwaveform.InFMandsweepmodesthisoutputissynchronouswithsampleclockfrequenciesExt.triggerDCto2MHz.ThresholdnominallyTTLlevel;maximuminput5V.Selectableaspositiverisingedgeornegativefallingedge.Minimumpulsewidth20nsfortriggerandgatedmodesAMinput0Vto+5V(5Vpp)produce100%modulationRefclockinInputforanexternal10MHzreferenceclock.ThresholdnominallyTTLlevel.SCLKoutput,SCLKinputandDSUBconnectorConnectinstrumentstoachievesynchronization.DSUB9-pinconnectorandcablesupplied.Inter-ChannelOperationInter-channelmodulationThewaveformfromanychannelmaybeusedtoamplitudemodulate(AM)theadjacentinstrument/channel.Alternatively,anynumberofchannelsmaybemodulated(AM)withthesignalatthemodulationinputsocket.CarrierfrequencyEntirerangeforselectedwaveformCarrierwaveformsAllstandardandarbitrarywaveformsModulationfreq.DCto500kHzModulationdepth0%to100%Inter-channelsynchronization397:00:00Bothchannelsaretightlysynchronizedinphaseandwaveformstart.Channel2hassampleclockdividerforarbitraryandsequencedwaveforms.Phaseresolution397:00:001sampleclockperiodofchannel2Skewerror397:00:00±2nsInter-instrumentsynchronizationTwoormoreinstrumentmaybeslavedtoonemasterinstrument.EachSlavecanhaveauniquephaseresolutionrelativetotheMaster.Phaseerror4pointsSkewerror+/-20nsTypicallywith20c"mcoaxcableGeneralSpecificationsWaveformSoftwareArbExplorerSoftwareforWindowsissuppliedwitheachinstrument.Thisprovidesfullwaveformcreation,editingandmanagementincludinganequationeditor,clipboardimport/exportandfreehanddrawing.Interfacetypes397:00:00GPIB,USBandEthernetRemotecontrolFullremotecontrolfacilitiesareavailablethroughtheinterfacesRS-232VariableBaudrate,115kBaud.9-pinD-connectorGPIBConformswithIEEE-488.1andIEEE-488.2Ethernet397:00:00Twistedpair10/100Base-T,autonegotiationUSB397:00:00TypeAreceptacle,version2.0Display397:00:003.5incolorLCDreflective,320x240pixels,back-litSize88x415x212mm(HxDxW)Weight6kg(13lb)Power85Vto265V,48-63Hz,60WOperatingtemperaturerange0°Cto50°COperatinghumidity(noncondensing)11°Cto30°C85%RH;31°Cto40°C75%RH;41°Cto50°C45%RHStoragerange–20°Cto+60°CEnvironmentalOperatingaltitude:10,000feetStorage:15,000feetPollutiondegree2SafetyComplieswithEN61010-1EMCComplieswithEN61326,CEmarked)