Marín-Martínez, Sandra; Martínez Pérez, Jorge Daniel; Valero, Clara Isabel; Boria Esbert, Vicente Enrique(Institute of Electrical and Electronics Engineers, 2017)
[EN] A procedure for improving the stopband response of
planar bandpass filters is presented in this letter. The technique is
based on the introduction of transmission zeros by using lumpedelement
bisected-pi sections at ...