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1、ABSTRACTABSTRACTWiththedevelopmentofmoderncommunicationssystems,Miniaturization,weightlightingandhighreliabilityhasbecomeatrend.Delaymodulesarewidelyusedinthefieldsofelectronicwarfare,satellitecommunicationsandhigh-precisionmeasurementequipments,especiallyinphased-arrayradar.Inmodern
2、communicationssystem,highperformancedelaymodulemeanslowinsertionlossandlowdispersion,exceptforminiaturizationandlight-weight.Using3Dintegrationtechnology,LowTemperatureCo-firedCeramic(LTCC)technologyhasbecomearesearchhotspotforitsexcellentRFperformance.So,torealizeminiatureandweightl
3、ightdelayline,withLTCCtechnology,hasalsobecomeanewresearchmethodinthisfield.Firstly,thisthesisillustratesthecharacteristicsofLTCCtechnology,thendetailedlyanalyzestheestablishedmodelsaboutfactorswhichinfluenceperformanceofLTCCstriplinedelayline,suchasmaterialandthicknessoflayerbeforec
4、o-fired,theformofinterconnecting,striplineground,viagrid,layoutofstripline,etc.Basedonaboveresearch,twokindsofdelaymodulearedeveloped.1)delaymodulecontrolledby6digitalsignalat8.5-10.5GHz(X-band).The6delayunitscangenerate1λ,2λ,4λ,8λ,16λand32λdelayrespectively,andthemaximumdelayis63λ(c
5、enterfrequency:9.5GHz,delaylinelength:819.0mm),minimalstepis1λ.Layerbeforeco-firediscomposedof27layersofFerroA6-M,andsizeofthedelaymoduleis46.1mm×40.0mm×14.0mm.2)delaymodulecontrolledby6digitalsignalat34.1-34.3GHz(Ka-band).The6delayunitscangenerate1λ,2λ,4λ,8λ,16λand32λdelayrespective
6、ly.Layerbeforeco-firediscomposedof27layersofFerroA6-M,andsizeofthedelaymoduleis46.1mm×40.0mm×14.0mm.Insummary,thispapertakesdeeplyresearchonminiaturizationofdelaymoduleandgetsremarkableachievements,whichplayapositiveroleinthisfield,besides;thisthesishasimportantcontributiontopromotin
7、gminiaturizationofphased-arrayradar,etc.Keywords:LTCC,delayline,miniaturizationII万方数据目录目录第一章绪论..................................................................................................................11.1研究背景及意义.................................................................
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