Chen, J.-H.J.-H.ChenLiu, P.-J.P.-J.LiuYI-JAN EMERY CHENChen, Jau-HorngJau-HorngChen2018-09-102018-09-102009http://www.scopus.com/inward/record.url?eid=2-s2.0-70350223796&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/347432A spurious emission reduction technique for power amplifiers using frequency hopping DC-DC convertersconference paper10.1109/RFIC.2009.5135509