紧凑的带通滤波器，具有良好的选择性和宽阻带

2019 IEEE 2nd International Conference on Electronic Information and Communication Technology (ICEICT) Pub Date : 2019-01-01 DOI:10.1109/ICEICT.2019.8846368

Ju-An Wang, Daotong Li, Y. Liu, Haowei Wu, Tao Wang, Lisheng Yang

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引用次数: 0

摘要

采用折叠半波长阶跃阻抗谐振器(SIR)，研制了具有四个传输零点的紧凑型带通滤波器(BPF)。首先对进给结构进行了设计和分析。然后，通过嵌入3个半波长SIRs，实现了一个具有良好选择性和4个阻带TZs的BPF。此外，通过折叠SIRs，滤波器变得更加紧凑。因此，该滤波器具有体积小、选择性好、阻带性能好等特点。仿真结果验证了该设计的可行性。

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Compact Bandpass Filter With Good Selectivity And Wide Stopband Using Embedded SIRs

compact bandpass filter (BPF) with four transmission zeros (TZs) is developed using folded half-wavelength stepped impedance resonators (SIR). A feed structure is designed and analyzed firstly. Then, by embedding three half-wavelength SIRs, a BPF with good selectivity and four TZs in stopband is realized. Moreover, the filter becomes more compact by folding the SIRs. Therefore, the filter has compact size, good selectivity and stopband performance. The simulation result verifies the feasibility of the design.

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来源期刊

2019 IEEE 2nd International Conference on Electronic Information and Communication Technology (ICEICT)

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