J.-C. ChienL.-H. LuLIANG-HUNG LU2018-09-102018-09-102006-06http://scholars.lib.ntu.edu.tw/handle/123456789/325764A 40-GHz wide-tuning-range VCO in 0.18-um CMOSconference paper10.1109/vlsic.2006.1705368