SJ/T 10050-1991 电子器件详细规范 3DA1722型硅NPN高频放大管壳额定的双极型晶体管
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来源:标准资料网
基本信息
标准名称: | 电子器件详细规范 3DA1722型硅NPN高频放大管壳额定的双极型晶体管 |
英文名称: | Detail specification for electronic components-Silicon NPN case rated bipolar transistor for high-frequency amplification, Type 3DA1722 |
中标分类: |
能源、核技术 >>
能源、核技术综合 >>
技术管理 |
发布日期: | 1991-04-08 |
实施日期: | 1991-07-01 |
首发日期: | 1900-01-01 |
作废日期: | 2010-01-20 |
出版日期: | 1900-01-01 |
页数: | 9页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 能源 核技术 能源 核技术综合 技术管理
【英文标准名称】:StandardPracticeforCharacterizingAcousticEmissionInstrumentation
【原文标准名称】:声辐射测量仪表表征的标准规程
【标准号】:ASTME750-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E07.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:声音传播;试验;无损检验;测量;仪器装置;声学;发射;噪声辐射
【英文主题词】:acousticemission;AE;dead-time;gain;preamplifier;sensitivity;sensor;signalprocessor;threshold
【摘要】:1.1Thispracticeisrecommendedforuseintestingandmeasuringoperatingcharacteristicsofacousticemissionelectroniccomponentsorunits.(SeeAppendixX1foradescriptionofcomponentsandunits.)Itisnotintendedthatthispracticebeusedforroutinechecksofacousticemissioninstrumentation,butratherforperiodicevaluationorintheeventofamalfunction.Thesensorisnotaddressedinthisdocumentotherthansuggestingmethodsforstandardizingsystemgains(equalizingthemchanneltochannel)whensensorsarepresent.1.2Wherethemanufacturerprovidestestingandmeasuringdetailsinanoperatingandmaintenancemanual,themanufacturer'smethodsshouldbeusedinconjunctionwiththemethodsdescribedinthispractice.1.3Difficultorquestionableinstrumentationmeasurementsshouldbereferredtoelectronicsengineeringpersonnel.1.4Themethodssetforthinthispracticearenotintendedtobeeitherexclusiveorexhaustive.1.5Themethods(techniques)usedfortestingandmeasuringthecomponentsorunitsofacousticemissioninstrumentation,andtheresultsofsuchtestingandmeasuringshouldbedocumented.Documentationshouldconsistofphotographs,chartsorgraphs,calculations,andtabulationswhereapplicable.1.6AEsystemsthatusecomputerstocontrolthecollection,storage,display,anddataanalysisareincommonuse.Featuresofthecomputer-basedsystemsmightincludewaveformcollectionaswellasawideselectionofmeasurementparametersrelatingtotheAEsignal.Themanufacturerprovidesaspecificationforeachsystemthatspecifiestheoperatingrangeandconditionsforthesystem.Allcalibrationandacceptancetestingofcomputer-basedAEsystemsmustusethemanufacturer'sspecificationasaguide.Thispracticedoesnotcovertestingofthecomputerorcomputerperipherals.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N65
【国际标准分类号】:17_140_20
【页数】:10P.;A4
【正文语种】:
【英文标准名称】:Highfidelityaudioequipmentandsystems;minimumperformancerequirementsforamplifiers
【原文标准名称】:高保真播音技术.放大器的最低要求
【标准号】:DIN45500-6-1987
【标准状态】:作废
【国别】:德国
【发布日期】:1987-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:声学设备;放大器;检验;高保真播音设备和系统;规范(验收);测量;电气工程;音频设备
【英文主题词】:specification(approval);amplifiers;audioequipment;measurement;inspection;highfidelityaudioequipmentandsystems;acousticequipment;electricalengineering
【摘要】:
【中国标准分类号】:M72
【国际标准分类号】:33_160_30;33_160_10
【页数】:7P;A4
【正文语种】:德语