A Dual-Band 180-Degree Hybrid Coupler Based on Coupled-Line Sections

Eden Corrales, Alex Baldomero, Pedro De Paco

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Resum

© 2001-2012 IEEE. This letter presents a novel 180 degree hybrid coupler structure based on coupled-line sections which offers a compact circuit and a dual-band operation. The structure is based on 90 degree and 180 degree coupled lines suitable to offer a 180 degree hybrid coupler behavior at two frequency bands when the even and odd impedances of the coupled-line sections are properly determined. The circuit presents a symmetry plane that enables an even/odd analysis. The dual-band operation of the structure has been verified by means of a prototype implemented in microstrip technology operating at 2.4 and 5 GHz.
Idioma originalEnglish
Número d’article7048063
Pàgines (de-a)211-213
RevistaIEEE Microwave and Wireless Components Letters
Volum25
Número4
DOIs
Estat de la publicacióPublicada - 1 d’abr. 2015

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