A 20.65-to-40.55 GHz Dual-Core Quad-Mode VCO With Mode-Independent Transformer-Switching Technique in 65-nm CMOS.
Jiayue WanZesong FeiZicheng LiuQuanwen QiFang HanXiaoran LiZhiming ChenPublished in: IEEE Trans. Circuits Syst. II Express Briefs (2023)