Inline Microwave Filters With N + 1 Transmission Zeros Generated by Frequency-Variant Couplings: Coupling-Matrix-Based Synthesis and Design.
Martyna MulMaciej JasinskiAdam LameckiRoberto Gómez-GarcíaMichal MrozowskiPublished in: IEEE Trans. Circuits Syst. II Express Briefs (2022)