光无源器件的可靠性估计报告,Telcordia SR-332
按照TelcordiaSR-332编制的光无源器件的可靠性估计报告,使用BlackBox+FieldData方法,求大神点评!RELIABILITYPREDICTIONREPORT
FORWAVELENGTHCOUPLER/SPLITTER-FUSEDFIBER
1.SCOPE
Thisreliabilityreportprovidespredictedfailurerateestimatesfortheofthe1x2980/1550nmMiniatureFFWDMmanufacturedbyAdvancedFiberResourcesInc.
ThereliabilitypredictionwasperformedaccordingtoReliabilityPredictionProcedureforElectronicEquipment,TelcordiaTechnologiesSpecialReport,SR-332,Issue2,September2006.
2.DEFINITION
FailureinTime(FIT)–Probabilitythatacomponentfailsinanyonesteadystatehour;aFITisafailureunitequivalenttothenumberoffailuresperbillionoperatinghours.
3.ANALYSISCONSIDERATIONS
Generally,variousfactors,suchaspartapplication,environment,temperature,humidity,vibration,shock,powerlevels,cyclerates,constructioncharacteristics,etc.,allaffectthereliabilityofanopticalpassivedevice.So,devicefailureratesvaryasafunctionofoperatingconditionsandproductionquality.BelowfactorsareconsidereddescribedinSR-332.
•OperatingTemperature.ThevalueforthisfactorisfoundinSR-332Section9.1basedonthetemperatureandthetypeofdevice.
•ElectricalStress.ThevaluesforthisfactorarefoundinSR-332Section9.2basedonstressandthetypeofdevice.Ifthestressisunknown,theRPPassumesstressis50%,whichproducesafactorvalueof1foralldevicetypes.
•Quality.SR-332Section9.3providesdescriptionsoftheseQualityLevelsasanaidinclassifyingsupplierqualityefforts.
•EnvironmentalCondition.TheRPPdefinesfiveenvironmentalconditionsinSR-332Section9.4. 看起来就是高大上
看起来就是高大上:) 学习学习 学习学习 学习,谢谢 为什么下载不了? 学习了,听说332是基于贝叶斯理论预计的,看了一下报告,果然是比之前的没经过修正的更令人信服 在gjb 299d未发布前,可靠性预计过不了,可参考332标准。299c这多年的数据已经太陈旧和保守了 方法是没错,但是各种取值不敢苟同。
质量因子取0.8,那说明质量管控是很严的,国内据我所知的无源厂家没有可以做到的吧?
温度因子的取值需要考虑Ea,来源和出处都是可靠的?
环境因子取值错误!!!估计你的标准是没有更新的SR-332-Issue3或者更老版本了。
理论计算没毛病。
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