Design of 1.9 GHz RF CMOS VCO
LI En-ling, WANG Xue, SONG Lin-hong, YUAN Yong-xia, YU Fa-da, LIU Man-cang
Acta Metallurgica Sinica(English letters) . 2009, (3): 103 -107 .  DOI: 10.1016/S1005-8885(08)60234-4