Taehoon Kang, Seoung-Young Koo, Jiwon Kim, Hyun-Taek Kang, Heonjin Hong, Youngjun Chong, Youna Jang, D. Ahn
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引用次数: 0
摘要
本文提出了一种紧凑的三阶带通滤波器(BPF),该滤波器采用在闭环谐振器上增加存根负载的谐振器。考虑到与50条$\Omega$馈线耦合,$\lambda_{0}/4$的第一和最后谐振腔均为折叠式。设计并制作了分数带宽为8的滤波器% at 1GHz center frequency. As compared to the area of the conventional interdigital BPF, a decrease of 50.04% is verified. Experimental results have shown good agreement with simulated ones.
Design of Compact Bandpass Filter with Stub-Loaded to The Closed Loop Resonator
In this paper, a compact 3-order Band-pass filter (BPF) is proposed using a resonator that adds stub-loaded to the closed loop resonator. In consideration of coupled with 50$\Omega$ feeding line, the first and last resonator of $\lambda_{0}/4$ is folded type. The proposed filter is designed and fabricated with a fractional bandwidth of 8% at 1GHz center frequency. As compared to the area of the conventional interdigital BPF, a decrease of 50.04% is verified. Experimental results have shown good agreement with simulated ones.