标签: high-q

High-QTE01modeDRfiltersforPCSwirelessbasestationsIEEETRANSACTIONSONMICROWAVETHEORYANDTECHNIQUES,VOL.46,NO.12,DECEMBER19982493High-TE01ModeDRFiltersforPCSWirelessBaseStationsJi-FuhLiang,Member,IEEE,andWilliamD.Blair,SeniorMember,IEEEAbstract―Thispaperpresentsthestate-of-the-artofhighTE01modeDRcavityltersforPCSwirelessbasestationapplications.InordertohaveTE01modeltertobecompetitivewithotherhigh-cavitytechnologies,employmentofnonadjacentcouplingtoimplementadvancedlterfeaturesandeasyltermachiningandintegrationareessential.Thequadrupletandtrisectionsareregardedasbasicblockstoimplementsymmetricandasymmetrictransmissionzerosinlterstopband.Therelativealignmentofthemagneticmodeeldacrossthecoupledadjacentcavitiesisanalyzedtoid……