Dual-band UWB filter using multilayer liquid crystal polymer technology

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Dual-band UWB filter using multilayer liquid crystal polymer technology

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© The Institution of Engineering and Technology
Published

A novel dual-band ultra-wideband (UWB) bandpass filter with compact size is reported. A multilayer structure is adopted to implement the proposed filter. Broadside-coupled patches are designed on the top and second layers to realise an ultra-wide passband character, and quarter-wavelength resonators are integrated underneath broadside-coupled patches to realise the desired stopband. The proposed filter is fabricated using multilayer liquid crystal polymer lamination technology. Experiment results are presented to verify predicted results, which show the proposed filter has good performance including compact size, sharp stopband rejection and good passband performance.

Inspec keywords: laminations; liquid crystal polymers; band-pass filters; multilayers; ultra wideband technology

Other keywords: multilayer liquid crystal polymer lamination technology; broadside-coupled patches; quarter-wavelength resonators; multilayer liquid crystal polymer technology; multilayer structure; dual-band ultra-wideband bandpass filter

Subjects: Display materials; Filters and other networks

References

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      • Z.-C. Hao , J.-S. Hong . Compact UWB filter with double notch-bands using multilayer LCP technology. IEEE Microw. Wirel. Compon. Lett.
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      • Mokhtaari, M., Bornemann, J., Amari, S.: `Dual-band stepped-impedance filters for ultra-wideband applications', European Microwave Conf., 2007, October 2007, Munich, Germany, p. 779–782.
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