Compact Dual-Mode Balun Bandpass Filter with Improved Out-of-Band Performance

作者: Shan Shan Gao , Gang Yu Yi , Sheng Sun

DOI: 10.1007/S42835-021-00721-9

关键词: BalunBand-pass filterDegenerate energy levelsExcitationOut-of-band managementStopbandAcousticsPhysicsResonatorRing (mathematics)

摘要: … The angle between the unbalanced input port 1 and the balanced output port 2 is 45, while the angle between the unbalanced input port 1 and the balanced output port 3 is 135. Three …

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