E. Rius, C. Quendo, A. Manchec, Y. Clavet, C. Person and J.F. Favennec LEST-UMR CNRS no. 6165, Brest, France, G. Jarthon, O. Bosch, J.C. Cayrou, P. Mo

RF filters are commonly implemented inside receivers, with rigorous specifications about rejection of the adjacent transmitted frequency band, in order to preserve them from possible damage and degradation due to high transmit power. 1 Nowadays, these difficult problems are the subject of intensive studies in microwave planar filters. 2–5...