Broadband Eight-Port Forward-Wave Directional Couplers and Four-Way Differential Phase Shifter

H. L. TingS. K. HsuT. L. WuTZONG-LIN WU2019-10-242019-10-242018189480https://scholars.lib.ntu.edu.tw/handle/123456789/427816Broadband Eight-Port Forward-Wave Directional Couplers and Four-Way Differential Phase Shifterjournal article10.1109/tmtt.2018.28114782-s2.0-85044039408