Title :
Fast hybrid CAD tool for the optimization of ridged waveguide LTCC filters and diplexers
Author :
Arndt, F. ; Brandt, J.
Author_Institution :
Dept. of Microwave, Bremen Univ., Germany
Abstract :
A hybrid mode-matching/finite-element (MM/FE) method is described for the rigorous CAD and optimization of ridged waveguide filters and diplexers appropriate for low-temperature cofired ceramic (LTCC) fabrication techniques. The advantage of the proposed method against existing approaches is its high efficiency while maintaining the flexible solution for arbitrary cross-sections. A new ridged waveguide bi-furcation element achieves the convenient divider-type diplexer combination. The accuracy of the presented method is verified by available reference measurements. Its efficiency and flexibility is demonstrated by typical examples.
Keywords :
ceramics; electronic design automation; finite element analysis; mode matching; multiplexing equipment; optimisation; ridge waveguides; waveguide filters; LTCC filters; divider-type diplexer combination; finite-element method; hybrid CAD tool; low-temperature cofired ceramics; mode-matching method; ridged waveguide bi-furcation element; ridged waveguide filters; Ceramics; Eigenvalues and eigenfunctions; Equations; Finite element methods; Microwave filters; Microwave theory and techniques; Optical device fabrication; Optimization methods; Transmission line matrix methods; Waveguide discontinuities;
Conference_Titel :
Microwave Conference Proceedings, 2005. APMC 2005. Asia-Pacific Conference Proceedings
Print_ISBN :
0-7803-9433-X
DOI :
10.1109/APMC.2005.1606819
