The paper presents a study of the electromagnetic couplings between planar open-loop triangular-shaped resonators. Based on the proposed single-mode resonator, various couplings schemes are considered: between a single microstrip resonator and its 50Ω feeding line, between two identical triangular-shaped resonators designed in microstrip technology, and between pairs of synchronously-tuned resonators located on different metallization layers, in a multilayer configuration. In this last case, properly located slots, cut out in the common ground plane, ensure and control the coupling between resonators. The results shown in the paper can be used in the design of different miniature planar band-pass filters, including filters with cross-coupled resonators, in microstrip and in multilayer technologies.

Date Published: 14 December 2016
PDF: 5 pages
Proc. SPIE 10010, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VIII, 100102H (14 December 2016); doi: 10.1117/12.2243326

Published in SPIE Proceedings Vol. 10010:
Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VIII
Marian Vladescu; Cornel T. Panait; Razvan Tamas; George Caruntu; Ionica Cristea, Editor(s)