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Experimentally investigating slow-wave transmission lines and filters based on conductor-backed CPW periodic cells
Conference proceeding

Experimentally investigating slow-wave transmission lines and filters based on conductor-backed CPW periodic cells

Kaixue Ma, Jianguo Ma, Manh Anh Do and Kiat Seng Yeo
IEEE MTT-S International Microwave Symposium Digest, 2005, Vol.2005, pp.1653-1656
2005
DOI: https://doi.org/10.1109/MWSYM.2005.1517027

Abstract

Band pass filters Coplanar transmission lines Coplanar waveguides Distributed parameter circuits Microwave filters Optical filters Optical waveguides Periodic structures Power transmission lines Transmission lines
Several conductor-backed coplanar waveguide (CBCPW) transmission lines and filters with/without loading are investigated experimentally. Slow-wave periodic transmission lines of nine finite cells and periodic quarter-wavelength band pass filters (BPFs) are designed and fabricated based on the conductor-backed CPW using thin-film technology. The size of each line or filter is only 4.38mm /spl times/ 1.5mm. It is revealed that both coupling enhancement and size reduction can be realized by periodic loading on CBCPW.

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