Wei-Tsung LiJeng-Han TsaiMin HuangTIAN-WEI HUANG2018-09-102018-09-102011-06http://scholars.lib.ntu.edu.tw/handle/123456789/366735A 3.5-4.5-GHz Ultra-compact 0.25mm2 Reflection-type 360o Phase Shifterconference paper10.1109/RFIC.2011.59407182-s2.0-79960827239