Compact Balanced Dual- and Tri-band Bandpass Filters Based on Stub Loaded Resonators

@article{Wei2015CompactBD,
  title={Compact Balanced Dual- and Tri-band Bandpass Filters Based on Stub Loaded Resonators},
  author={Feng Wei and Yingjie Jay Guo and Pei-Yuan Qin and Xiao Wei Shi},
  journal={IEEE Microwave and Wireless Components Letters},
  year={2015},
  volume={25},
  pages={76-78}
}
A stub loaded resonator (SLR) is presented in this letter, which can achieve dual-band or tri-band differential-mode (DM) bandpass response with a high common-mode (CM) suppression. By changing the length of the center-loaded stub, the resonant frequency of the CM can be varied without affecting that of the DM. This helps in simplifying the design and tuning processes of the balanced filters. In order to validate its practicalbility, two balanced bandpass filters (BPFs) with two and three DM… CONTINUE READING
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