HP Archive This vintage Hewlett Packard document was preserved and distributed by www. Please visit us on the web ! On-line curator: Glenn Robb This document is for FREE distribution only! RadioFans.CN 收音机爱 好者资料库 INSU C TIONS nm::n:::L430A lJIICR01AV:CFOJI:RI.1..TER SPECIPICATIOlrB i1illiwatts l .3 1 3 10 Accuracy...- --,.; DecibelsAboveorBelow1mwo -10 ..5 o +5 +10 +5/;offullscale.. Required:Cx_ternal:;auipment-- Bolometerandmount.200Oh:,lS,at0.40to8.90I.Ia,at25c. VOlta:::;c-- Frequency-- Wattage-- 105-l2volts 50/60cycles 60watts OerallDimensions-- 12-:-11longx10-3/811widex91Ihigh. I Q Weight-- 17Ibs. JCables-- InputCable f!l v I - .... TypeorCable RG-58/U3ft. Termhlations UG-88juPlugon01::: end,notermi.natlc.. otherend. RadioFans.CN 收音机爱 好者资料库 , r- .J fJ eatthebackofthisinstructionbook. ControlsandTerminals liONThistog31eswitchcontrolspowersuppliedtothe instrumentfromthepoerline. FUSEThefuseholder,locatedontecontrolpanel, containsutyroaaperecartridgefuse,whichmaybe replacedbyunscrewln3thefuseholdercapand insertinga newfuse. COARSEZEROThisvariableresistorprovidesacoarse adjustmentofthemeterzeroindication. FINEZEROllThisvariableresistorprovidesafine adjustmentofthemeterzeroindication. DBM-M1NThisrangeswitchisusedtoselectthedesired powermeasurementrangeoftheinstrument. InputJackThisUG-185/ujackwillfitanyoneofthe BNCseriesofconnectors. CALliThebindin3postmarkedCALislocatedonthe chassisandisconnectedtotheinputoftheamp- lifier.Itisusedtoconnecttheexternalcali- brationvoltagetotheanplifier. Operation Beforethisinstrllientcanbeoperatedabolometerand bolometermountofthecorrectcharacteristicsmustbeselected. TheHodel430Aisdesi.3nedtooperatewithabolometer whichhasapositivetemperaturecoefficient,suchasaSperry GyroscopeCompany Type 821barretteroraone-hundredthajilpere instrumentfuse. Anybolometerissatisfactoryprovidedtheinstrument canbezeroed.Onthe10mw.ranGetheinstrumentcanbezeroed atmytemperaturefrom100Cto500c,withanybolometerwhose resistanceis200 ohmswithintheran3efrom8.40mato8090ma, -1- RadioFans.CN 收音机爱 好者资料库 r- J ill VI c- -:r I :J I --- retoanother0 TheIICO.SEZ:;::;ROllcontrolshouldbeturnedSlovflyNhenadjustinG thelovlerran:;es,otherwisethe.ileterneedle/il130off-scale violently.J.1hemeter:naydriftsllhtlyontheloywrranGes,so forgreatestaccuracY$theinstrumBntshouldbezeroedjmtbefore maldngamesurement. G:8iffiRALHiFORlIATI01T The riIodel430:MicrowavePowerMeterconSlSL;Sofaself- balancinsbridse,anmpllfier,alneterincircuit,andaregulated powersupply. Theself-balancin3brideincludesthecircuitsassociated withVlandV3.ThebrideoperatesintheinputcircuitofVI, -2- ......Q .J
展开阅读全文
温馨提示：
收音机爱好者资料库所有资源均是用户自行上传分享，仅供网友学习交流，未经上传用户书面授权，请勿作他用。
相关搜索
资源标签