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提出基于新型平衡传输线——双面平行带线(DSPSL)结构的电容加载电可重构平面带通滤波器,并以梳状线和磁耦合谐振环带通滤波器为例验证该方案的可行性。相对于常见的微带线结构,双面平行带线具有对称性以及较高的功率使用容量。这些特性使得滤波器在没有无限大金属地板的情况下,仍然获得了良好的性能。采用DSPSL结构进行微波电路设计不但可以减小电路的尺寸,同时还增加了电路设计的灵活性。
This paper proposes a capacitively-loaded reconfigurable planar band-pass filter based on the novel balanced transmission line-double-sided parallel strip line (DSPSL) structure. The comb-shaped line and the magnetic coupling resonant-ring band-pass filter are taken as an example to verify the feasibility of this scheme Sex. Compared with the common microstrip line structure, double-sided parallel strip line with symmetry and high power capacity. These features allow the filter to achieve good performance without infinite metal floors. Using DSPSL microwave circuit design structure can not only reduce the size of the circuit, but also increase the flexibility of circuit design.