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Planar interdigital-coupled UWB bandpass filter with a notched band

Publication ,  Conference
Xu, K; Zhang, Y; Joines, WT; Liu, QH
Published in: IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
September 18, 2014

This paper presents a planar compact microstrip interdigital-coupled notch-band ultra-wideband (UWB) bandpass filter (BPF). The proposed five high-impedance interdigital lines are employed to not only realize strong coupling as feed lines, but also create a controllable notched band in the UWB passband. A prototype of the proposed notch-band UWB BPF has been designed and fabricated. The measured results illustrate that the 3 dB fractional bandwidth (FBW) of the filter is 125%, and the insertion loss of the notched band within the UWB passband is 12 dB at 5.8 GHz.

Duke Scholars

Published In

IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)

DOI

ISSN

1522-3965

ISBN

9781479935406

Publication Date

September 18, 2014

Start / End Page

1694 / 1695
 

Citation

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Xu, K., Zhang, Y., Joines, W. T., & Liu, Q. H. (2014). Planar interdigital-coupled UWB bandpass filter with a notched band. In IEEE Antennas and Propagation Society, AP-S International Symposium (Digest) (pp. 1694–1695). https://doi.org/10.1109/APS.2014.6905173
Xu, K., Y. Zhang, W. T. Joines, and Q. H. Liu. “Planar interdigital-coupled UWB bandpass filter with a notched band.” In IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), 1694–95, 2014. https://doi.org/10.1109/APS.2014.6905173.
Xu K, Zhang Y, Joines WT, Liu QH. Planar interdigital-coupled UWB bandpass filter with a notched band. In: IEEE Antennas and Propagation Society, AP-S International Symposium (Digest). 2014. p. 1694–5.
Xu, K., et al. “Planar interdigital-coupled UWB bandpass filter with a notched band.” IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), 2014, pp. 1694–95. Scopus, doi:10.1109/APS.2014.6905173.
Xu K, Zhang Y, Joines WT, Liu QH. Planar interdigital-coupled UWB bandpass filter with a notched band. IEEE Antennas and Propagation Society, AP-S International Symposium (Digest). 2014. p. 1694–1695.

Published In

IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)

DOI

ISSN

1522-3965

ISBN

9781479935406

Publication Date

September 18, 2014

Start / End Page

1694 / 1695