基片參數(shù)對微帶帶通濾波器傳輸特性影響研究.pdf

1、河南師范大學碩士學位論文基片參數(shù)對微帶帶通濾波器傳輸特性影響研究姓名：張淑莉申請學位級別：碩士專業(yè)：物理電子學指導教師：彭玉峰201104ABSTRACTMicrowavefilteristhemostimportantpartoftheradiotechnologyalongwiththerapiddevelopmentofcommunicationtechnologymicrowavefilterdesigntechnologywi

2、ththencedsofdifferentapplications。therehavebeenmanydifferentfiltercircuitstructuressuchasmicrostripfilters，coaxialfilters，waveguidefilters，surfaceacousticwave(SAW)filtersceramicfiltersandothermediaMierostripfiltersbecaus

3、eofsmallsizelowcost，lightweight，highperformance，easytomatchwithotherintegratedcircuitsandaseriesofadvantagesand、析ththecurrentdirectionofthecircuitdesignisusedwidelyasafilterItCanbedividedintoparallelcoupledmicrostripfilt

4、ers，hairpintypefiltermountingmicrostriplinefiltercrosscoupledfilterparallelcoupledlinefiltersandotherformsofsplitringmicrostripfilterWiththedevelopingofthecomputerandsimulationsoftwaretechnologythecurrentmicrowavecircuit

5、designandsimulationsoftwarearecombinedInthisarticletheADSRFcircuitsimulationsoftwareisusedtoanalyzethebasicphysicalparameters，andsimulatethebasicstructureofthecircuitAndthentofurtheroptimizethecircuittomatchtherequiredde

6、signtechnicalparametersBasedADSRFsimulationsoftwareforcircuitdesigncanmakethedesignprocessmoreconcise，thecircuitmoreaccurateThedielectricconstant，loss，thicknessandotherparametersofmicrostripfiltersubstrateseriouslyinflue

7、ncethefilter’StransmissionperformanceBasedonthebasictheoryanddesignmethodsofmicrostripbandpassfiltertookparallelcoupledmicrostripbandpassfilterasanexample，thispaperstudiedtheinfluenceofchangingmicrostripsubstrateparamete

8、rsonmicrostripbandpassfilter’stransmissionperformance，underdifferentcircumstancesthatdielectricsubstratewasepoxyresin，dopedsiliconandRogers(RT／duroid)high—fequencysubstratesThepapermainlyresearcheddifferentrequirementson

9、dielectricsubstrateparametersforfilterdesigninmicrowaveandmillimeterwaveband，andtheperformanceofthedesignedfilteratthesamedielectricsubstrateanddifferentfrequencyForthesamefilterperformance，circuitdesignWasconductedbycha

10、ngingthethicknessofdielectricsubstrate，andthecorrespondingfilterfrequencyresponsewasgotOnthesamePCBlayout，bychangingthelosstangentofdielectricsubstrate，thefrequencyresponsecharacteristicschangeofthefiltercircuitwasanalyz