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首页> 外文会议>2013 International Workshop on Microwave and Millimeter Wave Circuits and System Technology >A novel mixed and cross-coupled bandpass filter based on Stepped-Impedance-Resonator
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A novel mixed and cross-coupled bandpass filter based on Stepped-Impedance-Resonator

机译：基于步进阻抗谐振器的新型混合交叉耦合带通滤波器

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摘要

An improved stepped impedance resonator (SIR) is proposed in this paper. Due to this improved resonator, mixed coupling is obtained in filter design. Additional transmission zero is achieved base on new added coupling path. The proposed resonator was adopted to instead one resonator in conventional fourth-order cross-coupled filter. Base on proposed filter topology, a four-pole bandpass filter both with mixed-coupling and cross-coupled have been fabricated and measured. Advantages of this filter not only its sharp rejection, but also its spurious suppression with multi-zeros.
机译：本文提出了一种改进的步进阻抗谐振器（SIR）。由于这种改进的谐振器，可以在滤波器设计中获得混合耦合。基于新添加的耦合路径，可实现额外的零传输。采用所提出的谐振器代替常规四阶交叉耦合滤波器中的一个谐振器。基于提出的滤波器拓扑结构，制造并测量了具有混合耦合和交叉耦合的四极带通滤波器。该滤波器的优点不仅在于其尖锐的抑制能力，而且还具有多零点的杂散抑制功能。

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