论文信息 - Multilayer SIW filters with mixed coupling modified trisection (MCMT)

Multilayer SIW filters with mixed coupling modified trisection (MCMT)

Mixed coupling modified trisection (MCMT) and its applications to substrate integrated waveguide (SIW) filters are presented. By using source or load to replace a resonator and introducing mixed coupling into conventional trisection, the proposed MCMT not only reduce one resonator but also adds a transmission zero (TZ) to improve the stopand. Moreover, the resonators in MCMT can be embedded into multilayer LTCC substrate to achieve a more compact area. Two SIW filters with two TZs are designed and fabricated to validate the proposed method. Measured results which exhibit good selectivity, agree well with simulated ones.

Peng Gao | Yu Shi | Wanting Zhou | Ziqiang Xu

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