Hsieh, C.-K.C.-K.HsiehKao, K.-Y.K.-Y.KaoLin, K.-Y.K.-Y.LinKUN-YOU LIN2018-09-102018-09-102009http://www.scopus.com/inward/record.url?eid=2-s2.0-70350212785&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/349966An ultra-low-power CMOS complementary VCO using three-coil transformer feedbackconference paper10.1109/RFIC.2009.5135497