标签: ceramic

AVXSurfaceMountCeramicCapacitorProducts

Ceramicantenna单极子陶瓷天线:GPS,BT,LAN,WiFi-徐锋13812655110陶瓷天线(PCB板需要净空)特性:-实现对多频率的多用途-体积很小W×L×H(3.2×1.6×1.1mm)-质量很轻(33mg)-满足SMD要求-不含铅-卷带包装-满足RoHS，SGS要求应用-GPS(1575.42MHz)-Bluetooth,WLAN,WiFi-IEEE802.11b/g-ZigBeeIEEE802.15.4-2.4GHzWLAN-2.4GHzISMBandSystems电子特性@+25°C注意:电气特性受PCB板子的尺寸和天线所处于PCB的位置和静空区域影响很大GPS典型的特性(测试板长37×20mm,PWB静空区域17×20mm)实际的应用(最小静空区域5×5mm)天线效率约35-40%Bluetooth,WLAN,WiFi,2.GHz典型的特性(测试板长37×20mm,PWB静空区域17×20mm)实际的应用(最小静空区域5×5mm)天线效率约45-60%……

CeramicInputCapacitorsCanCauseOvervoltageTransients.pdfApplicationNote88March2001CeramicInputCapacitorsCanCauseOvervoltageTransientsGoranPericaArecenttrendinthedesignofportabledeviceshasbeenBuildingtheTestCircuittouseceramiccapacitorstofilterDC/DCconverterinputs.Toillustratetheproblem,atypical24VwalladapterusedCeramiccapacitorsareoftenchosenbecauseoftheirinnotebookcomputerapplicationswasconnectedtothesmallsize,low……

ParasiticInductanceofMultilayerCeramicCapacitorsTECHNICALINFORMATIONPARASITICINDUCTANCEOFMULTILAYERCERAMICCAPACITORSbyJeffreyCain,Ph.D.AVXCorporationAbstract:Theparasiticinductanceofmultilayerceramiccapacitors(MLCCs)isbecomingmoreimportantinthedecouplingofhighspeeddigitalsystems.ThereexistsconflictingdataandstatementsontheparasiticinductanceoftheMLCC.Thisworkshowsthemeasurementtechniquesoftheinductanceparameters,focusingmainlyonthefixturingneededtoaccuratelymeasurethechips.Theeffectsofvariouscompensationandcalibrationmethodswillalsobedemonstrated.AcomprehensivetablewillbeshownthatincludestheparasiticinductanceforarangeofMLCCsfrom0402through1210.PARASITICINDUCTANCEOFMULTILAYERCERAMICCAPACITORSbyJeffreyCain,Ph.D.AVXCorporati……

COMPARISONOFMULTILAYERCERAMICTECHNICALINFORMATIONCOMPARISONOFMULTILAYERCERAMICANDTANTALUMCAPACITORSbyJeffreyCain,Ph.D.AVXCorporation17thAvenueSouthMyrtleBeach,SouthCarolina29578jcain@sccoast.netAbstract:Engineersnowhaveachoicebetweenceramicandtantalumwhenitcomestoselectingcapacitorswithvaluesbetween0.1-22F.Astheceramicmaterialtechnologycontinuestoadvance,moreandmorecapacitanceisrealizedinthesamecasesizescomparedtopreviousyears.Thispaperwillexaminewhatdevicesareavailableandthetradeoffofusingeachofthetechnologies.Thegoalofthisworkistohelpinselectingtheproperdevice(tantalumversusceramic)foraspecificapplication.COMPARISONOFMULTILAYERCERAMICANDTANTALUMCAPACITORSbyJeffreyCain,Ph.D.AVXCorporation17thAv……

ComparisonofMLCCERAMIC&TANTALUMCAPACITORSTECHNICALINFORMATIONCOMPARISONOFMULTILAYERCERAMICANDTANTALUMCAPACITORSbyJeffreyCain,Ph.D.AVXCorporation17thAvenueSouthMyrtleBeach,SouthCarolina29578jcain@sccoast.netAbstract:Engineersnowhaveachoicebetweenceramicandtantalumwhenitcomestoselectingcapacitorswithvaluesbetween0.1-22F.Astheceramicmaterialtechnologycontinuestoadvance,moreandmorecapacitanceisrealizedinthesamecasesizescomparedtopreviousyears.Thispaperwillexaminewhatdevicesareavailableandthetradeoffofusingeachofthetechnologies.Thegoalofthisworkistohelpinselectingtheproperdevice(tantalumversusceramic)foraspecificapplication.COMPARISONOFMULTILAYERCERAMICANDTANTALUMCAPACITORSbyJeffreyCain,Ph.D.AVXCorporation17thAv……

nonlinearpiezoelectricbehaviorofceramicbendingmodeactuatorsunderstrongelectricfieldsJOURNALOFAPPLIEDPHYSICSVOLUME86,NUMBER615SEPTEMBER1999NonlinearpiezoelectricbehaviorofceramicbendingmodeactuatorsunderstrongelectriceldsQing-MingWang,a)QimingZhang,BaominXu,RuibinLiu,andL.EricCrossIntercollegeMaterialsResearchLaboratory,ThePennsylvaniaStateUniversity,UniversityPark,Pennsylvania16802-4801Received18December1998;acceptedforpublication9June1999Thenonlinearelectromechanicalbehaviorofcantileveredpiezoelectricceramicbimorph,unimorph,andreducedandinternallybiasedoxidewaferactuatorsisstudiedinawideelectriceldandfrequencyrange.Itisfoundthatunderquasistaticcondition,linearrelationshipsbetweenactuatortipdisplacement-electriceld,andblockingforce-electriceldareonlyvalidunderwea……

UsingCeramicOutputCapacitorswiththeMAX1734Voltage-ModeBuckConverter……