Planar Dual-Band Branch-Line Coupler With Large Frequency Ratio

This work presents a novel planar branch-line coupler topology developed for dual-band operation using an E-shaped impedance transformer network to supplant the conventional microstrip line. Explicit closed-form design equations for dual-band operation are derived using the ABCD matrices. The studie...

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Autores principales: Lei Xia, Jia-Lin Li, Baidenger Agyekum Twumasi, Peng Liu, Shan-Shan Gao
Formato: article
Lenguaje:EN
Publicado: IEEE 2020
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Acceso en línea:https://doaj.org/article/03d060e52e484e8ca0036d4f49f006ff
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