鸟牌4391A型射频功率计|数显功率计4391APEP,Dualelement,LED,PortableWattmeter1、BrightLEDDisplay2、Long-strokekeyboardandrangeswitches3、Built-InPowerSupplyandCharger4、LowBatteryIndicatorTheModel4391AisaRuggedRFPowerAnalystthatmonitorsPeakPulsePower,PeakEnvelopePower,orCWPowerduringnormalequipmentoperationsintheforwardorreflecteddirection.DesignedforairnavigationalaidsDME,ATCandotherpulsedRFsystemssuchastelemetry,radar,commandandcontrol,etc.Theyneednoattenuators,directionalcouplersorcharts.Accessories:QuickChangeSolderlessConnectors-QC-Type"QuickChangeSolderless"RFConnectorsProductSpecifications:交流电压:100-130/200-260V,50/60Hz,6W精度:±5%offullscaleCW,±8%PEP,VSWR:±10%ofreading,%Modulation:(CWpower1/3ormoreoffullscale)±5%(0-90%),±10%(90-100%)电池寿命:8hours(rechargeable)连接器:QCType(FemaleNnormallysupplied)显示:31/2digit,0.3"LEDstrobed完成:Bluevinylwithsilveranodizedsidepanels频率范围:450kHzto2.7GhzInsertionVSWR:withNconnectors1.05max.to1000MHzMeterScales:FWDandRFL25,50,100W模块化频率:25to10,000Hz(Audio)尺寸:(includesconnectors)99/16"Lx57/32"Wx45/16"H(243mmx158mmx110mm)额定功率:100mWto10kWusingBirdPlug-inElements脉冲参量:(min.)Pulsewidth0.8µs(100-2700MHz),1.5µs(26-99MHz)and15µs(2-25MHz),RepetitionRate25PPS,andDutyCycle0.1%逆程损失:±0.3dBtocorrespondingSWRvalue采样率:2to3readingspersecondUsableOver-range:to120%ofscale(CW,PEP,SWRandReturnLoss)重量:53/4lbs.(2.6kg)以下探头选型表由深圳新朗普科技工程人员提供：表1Table1-StandardElements30µAFrequencyBands(MHz)PowerRange2-3025-6050-125100-250200-500400-10005W-5A5B5C5D5E10W-10A10B10C10D10E25W-25A25B25C25D25E50W50H50A50B50C50D50E100W100H100A100B100C100D100E250W250H250A250B250C250D250E500W500H500A500B500C500D500E1000W1000H1000A1000B1000C1000D1000E2500W2500H-----5000W5000H-----表2Table2-LowPowerElements30µA1WattFreq.40-5050-6060-8080-9095-125110-160150-250200-300275-450425-850800-1000Part#040-1050-1060-1080-1095-1110-1150-1200-1275-1425-1801-12.5WattsFreq.25-3030-4040-5050-6060-8080-9595-150150-250200-300250-450400-850800-1000Part#052-2030-2040-2050-2060-2080-2095-2150-2200-2250-2400-2801-2表3Table3A-HighFrequencyMilliwattElements-30µAFrequencyBands(MHz)PowerRange950-12601250-15001500-17001700-22002300-24002400-25002500-2600100mW430-82430-209430-210430-178430-211430-182-250mW---430-1430-239430-240430-241500mW-430-259-430-95-430-159-表4Table4-LowFrequencyElements-30µAFrequencyBandPowerRange.45-2.5MHz1000W1000P2500W2500P5000W5000P10000W10000P表5Table5Pulse-powerElements,EntireTable±8%ofFullScale-30µAFrequencyBands(MHz)PowerRange2-3025-6050-125100-250400-1000950-1260500W-----500J1000W-----1000J2500W-2500A2500B2500C2500E2500J5000W-5000A5000B5000C5000E5000J10000W10000H-10000B-10000E-Elements500-1000Watts,950-1260MHz,areratedat100Watts.avg.Elements2500Wattsandhigher,25-1000MHz,areratedat1000WattsavgElementsarecapableofreadingpeakandaveragepower.Table6-MilliwattElements-30µAPowerRange:100mWFreq.45-5072-76108-136135-175320-340400-420420-450450-470600-800800-100Part#430-266430-2430-57430-86430-205430-7430-208430-8430-169430-263PowerRange:250mWFreq.72-7688-108105-120116-126130-150190-210450-470800-1000Part#430-22430-217430-20430-48430-13430-65430-61430-264PowerRange:500mWFreq.72-7688-108105-120120-136136-150240-290290-340340-360350-400400-450450-500600-800800-1000Part#430-33430-247430-26430-248430-249430-27430-253430-157430-254430-255430-256430-258430-265表7Table14-DirectionalCouplerElementsforQC-Typeor7/8"EIALine-30µA(MHz)NominalCouplingMax.MainLinePowerModel50-100-40dB1kW400-5075-150-40dB1kW400-75125-250-40dB1kW400-125225-450-40dB1kW400-225400-800-40dB1kW400-400750-1250-40dB1kW400-750)