标签: resonator
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专业订制微波介质谐振器，联系电话：180 2535 7262，David TE01δ 模式谐振器 特性： •高稳定性，使用寿命长 •更高温度频率稳定性 •更高品质因数 •更宽的应用频率范围 •宽的介电常数范围 应用领域： •滤波器 •卫星通信 •军用雷达 •遥测技术 •基站 •组合器 柱状与环状谐振器性能 介电常数 K 温度系数* (ppm/℃) 温度系数误差 (ppm/℃) 品质因数 (Q) 应用频率范围 (GHz) 8.5±0.5 0±5 ±1，±2 8000 8~20 16±1 0±6 ±1，±2 6000~7000 6~20 20±1 0~10 ±1，±2 7000 2.5~15 26±1 0±5 ±1，±2 10000~14000 5~30 36±1 0±2 ±1，±2 7000~8000 3~12 81±1 0±2 ±1，±2 3000 1~5 * 温度范围：-55℃~+125℃
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OscillatorResonatorDesignTutorialSheet1of20OscillatorResonatorDesignTutorialJPSilverE-mail:john@rfic.co.uk1ABSTRACTThispaperdiscussesthedesignofvarioustypesofresonatorthatformtheheartofanyoscillatordesign.Thefirstsectiondescribesthedifferentresonatortypesincludinglumped,coaxial,microstripanddielectric.Thefollowingsectiondealswithvaractordiodes,includingdesignequations,temperature&loadedQperformance.InthefinalsectionthedefinitionsofloadedandunloadedQaredescribedwithaworkedexampleanddesigntechniquesonQtransformations.3.2TWOELEMENTRESONATORCIRCUITSFigure1showsaschematicdiagramofatwo-elementresonator.ThiscircuitisseldomusedinoscillatorsastheloadedQwillbeverylowasthesourceandloadimpedanceswilldirectlylo……
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dielectricresonatorantanneDIELECTRICRESONATORANTENNA-POSSIBLECANDIDATEFORADAPTIVEANTENNAARRAYSDarkoKajfezandAhmedA.KishkUniversityofMississippi,USAABSTRACTFuturebasestationsforSpatialDivisionMultiplexAccess(SDMA)willutilizeadaptiveantennaarrays,capableofidentifyingthedirectionoftheincomingsignalandsteeringthetransmittedbeaminappropriatedirections.Theradiatingelementsthathavebeenthusfarconsideredforbuildingtheantennaarrayaretypicallywiredipolesormicrostrippatches.Thistutorialpaperdescribesanewtypeofradiatingelement,thedielectric-resonator(DR)antenna,thathassomeinterestingcharacteristics,likethesmallsize,highradiationefficiencyandincreasedbandwidth.Historically,dielectricresonatorshavebeenusedascircuitelement……
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DielectricResonatorAntennas,Dielectric_Resonator_Antennas……
