J.A. Ruiz-Cruz

Canonical ridge waveguide filters in LTCC or metallic resonators

K. Zaki, J. Ruiz‐Cruz, J. Rebollar, 2005, IEEE Transactions on Microwave Theory and Techniques.

Analytical Synthesis of Generalized Multi-band Microwave Filters

Yunchi Zhang, Yunchi Zhang, K. Zaki, 2007, 2007 IEEE/MTT-S International Microwave Symposium.

An extremely wideband ridge waveguide filter

K. Zaki, J. Ruiz‐Cruz, Chi Wang, 2004, 2004 IEEE MTT-S International Microwave Symposium Digest (IEEE Cat. No.04CH37535).

Synthesis and design of in-line N-order filters with N real transmission zeros by means of extracted poles implemented in low-cost rectangular H-plane waveguide

J. R. Montejo-Garai, M.J. Padilla-Cruz, I. Hidalgo-Carpintero, 2005, IEEE Transactions on Microwave Theory and Techniques.