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摘要
In this article, we present a novel compact dual wideband bandpass filter (BPF) by using a new structure of ladder stub resonator (LSR). The proposed LSR can produce attenuation poles to form low loss and dual-wideband bandpass response. 4), tuning the structure parameters (if LSR, the dual-band characteristic can be controlled. The measured 3 dB fractional bandwidth (FBW) at first and second passbands are 41.5% and 25.7%. respectively. The experiment results of the fabricated filter agree well with the electromagnetic (EM) simulation.
- 出版日期2009-6
