A Dual-Band Comb-Line Filter Using a Half-Wavelength Stripline Nesting a Quarter-Wavelength Coplanar Waveguide Resonator.
Shoichi KitazawaMasahiro GeshiroKenta IshimaruMasaharu OhashiHideaki FujimotoKouji WadaPublished in: IEICE Trans. Commun. (2007)