Tsai, Z.-M.Z.-M.TsaiSun, K.-J.K.-J.SunVendelin, G.D.G.D.VendelinWang, H.H.WangHUEI WANG2020-06-042020-06-042006https://scholars.lib.ntu.edu.tw/handle/123456789/497579A new feedback method for power amplifier with unilateralization and improved output return lossjournal article10.1109/TMTT.2006.8713472-s2.0-33645908185https://www.scopus.com/inward/record.uri?eid=2-s2.0-33645908185&doi=10.1109%2fTMTT.2006.871347&partnerID=40&md5=edb43c13fb9d218f8ac86e32aab21e7a