An extremely compact dual-band branch-line coupler
Yuan, Shih-Yi, Shiau, Miin-Shyue, Liao, Shry-Sann, Sun, Pou-Tou, Ho, Chia-Tai
Published in Microwave and optical technology letters (01.12.2007)
Published in Microwave and optical technology letters (01.12.2007)
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