Tektronix RFM151 有線電視射頻分析儀廠 家Tektronix型 號RFM151設(shè)備 類型有線電視射頻分析儀參 數(shù)RFInput InputImpedance-75Ohm(nominal).ConnectorType-MaletypeFwithprecisionfemale-to-femaleFcoupler.FrequencyRange-5to1080MHz.Accuracy- 5kHzor 10-5oftunedfrequency,whicheverisgreater.AnalogandDigitalLevelMeasurementsSensitivity--35to60dBmV(+25to+120dB V)Repeatability- 0.5dB.Digital-to-AnalogCarrierDifferenceAnalogChannelSelectMode-Automaticoruserselectable.Accuracy- 2DbIn-bandCarriertoNoiseMeasurementLocation-Userselectable.Accuracy- 2dB.Range-Upto51dBwithcarrieramplitude 5dBmV,modulationremoved.GuardBandCarriertoNoiseMeasurementLocation-Guardband(approximatelyequalto1.25MHzbelowthevisualcarrier).Accuracy- 2dB.Range-Upto47dBwithcarrieramplitude 0dBmV.DesiredtoUndesiredMeasurementLocation-Inchannel(OutofService).Accuracy- 2%.HumFundamentalFrequency-50/60Hz,user-selectablefrequency.Range-0to5%.Accuracy- 1%.FMDeviationAccuracy- 10%ofpeakdeviationor 2kHzwhicheverisgreater.SpectrumModesModes- GeneralPurpose(Dual/Noise/Nomarkers). Demod(AM,FMdetectors,speaker). IngressMonitor(upto32user-definedthresholdswithinadisplayedspectrum).CommonSpecifications-FrequencyRange:5to1080MHz. Span/Division:4MHz,2MHz,1MHz,400kHz,200kHz. ResolutionBandwidth:Span 1MHz:300kHz. Span 1MHz:30kHz. Sensitivity:-60dBmV(-65dBmVtypical). SpuriousFreeDynamicRange:20to1080MHz: -50dBc. 5to20MHz: -40dBc. DetectionMode:PeakorAverage.VerticalScales:2,5,10,15dB/Div. OtherControls:Preamp,maxhold.EnvironmentalTemperature-Operating:0to+50 C(+32to+122 F).Nonoperating:-20to+60 C(-4to+140 F).Humidity-Operating:5to95%from0to+50 C.Altitude-Operating:Upto15,000ft.(4,550m). Nonoperating:Upto40,000ft.(12,192m).PowerDCInputRange-+10to+15VDC.PowerRequirement-10Wmaximum.BatteryType-Userreplaceable.BatteryLife-2.75Hr