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摘要
In this paper, we propose a compact dual band bandpass filter (BPF) using S-shaped stepped impedance resonators (SIRs). By appropriately selecting the impedance ratio of the SIR, the harmonic frequencies can be tuned for generating the dual-passband response. Using this structure, the bandwidth of each passband can be controlled independently by adjusting the coupled spacing and coupled length. The BPF has good dual-passband performance at 2.4/5.2GHz and has a very smaller area in comparison of previous works.
- 出版日期2008
- 单位华南理工大学
