A 0.9- to 8-GHz VCO With a Differential Active Inductor for Multistandard Wireline SerDes. - Kuo-Hsing Cheng; Cheng-Liang Hung; Cihun-Siyong Alex Gong; Jen-Chieh Liu; Bo-Qian Jiang; Shi-Yang Sun (IEEE Trans. Circuits Syst. II Express Briefs, 2014)