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首页> 外文期刊>Microwave and optical technology letters >COMPACT SPURIOUS FREE CPW BANDPASS FILTERS BASED ON ELECTROMAGNETIC BANDGAP STRUCTURES
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COMPACT SPURIOUS FREE CPW BANDPASS FILTERS BASED ON ELECTROMAGNETIC BANDGAP STRUCTURES

机译：基于电磁带隙结构的紧凑型免费CPW带通滤波器

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摘要

In this paper, coplanar waveguide (CPW) bandpass filters based on capacitively coupled resonators and periodic perturbation in slot width are proposed. Due to periodicity, the structure behaves as a reflector in a certain frequency band and harmonic suppression is achieved. Slot-width modulation has been implemented through the approximation of the ground planes to the conductor strip at periodic locations. The equivalent capacitance of the line is thus enhanced, with the result of a significant slow-wave effect. In comparison to a conventional design, the fabricated prototype is 1.4 times smaller and exhibits significant rejection of frequency parasitics.
机译：本文提出了一种基于电容耦合谐振器和缝隙宽度周期性扰动的共面波导（CPW）带通滤波器。由于周期性，该结构在特定频带中充当反射器，并且实现了谐波抑制。通过在周期性位置将接地层近似于导体带，可以实现缝隙宽度调制。因此，提高了线路的等效电容，从而产生明显的慢波效应。与传统设计相比，所制造的原型小1.4倍，并且具有明显的频率寄生抑制能力。

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