Ka-band ultra low voltage miniature sub-harmonic resistive mixer with a new broadside coupled Marchand balun in 0.18-μm CMOS technology. - Geliang Yang; Zhigong Wang; Zhiqun Li; Qin Li; Fa-en Liu; Zhu Li (J. Zhejiang Univ. Sci. C, 2013)

A 31-45.5 GHz injection-locked frequency divider in 90-nm CMOS technology. - Fa-en Liu; Zhigong Wang; Zhiqun Li; Qin Li; Lu Tang; Geliang Yang (J. Zhejiang Univ. Sci. C, 2014)

Optimized Charge Pump and Nonlinear Phase Frequency Detector for a Ka-Band Phase-Locked Loop in 90-nm CMOS Process. - Lu Tang; Zhigong Wang; Tiantian Fan; Fa-en Liu; Changchun Zhang (IEICE Trans. Electron., 2019)