Sánchez-Soriano, Miguel Ángel; Sirci, Stefano; Martínez Pérez, Jorge Daniel; Boria Esbert, Vicente Enrique(Institute of Electrical and Electronics Engineers (IEEE), 2016-06)
This letter proposes a new compact filtering building block. It consists of two via holes embedded into a substrate integrated waveguide (SIW) cavity connected to capacitive metal patches at the top layer. This topology ...