C.-H. TsaiI.-I. A. IeongH.-C. ChenTZONG-LIN WU2018-09-102018-09-102011-09http://scholars.lib.ntu.edu.tw/handle/123456789/366570A miniaturized and broadband balun using artificial coupled line with imaginary even-mode impedancejournal article10.1109/tmtt.2011.21600882-s2.0-80052860564WOS:000294867600009