- Chao Fan, Ya Zhao, Ge Gao, Li Geng, "A 4.5-to-13.5-GHz Single-Transformer Quad-Mode VCO With 202.5-dBc/Hz FoMT," IEEE Microwave and Wireless Technology Letters (MWTL), 2024. [Xplore link]
- Ya Zhao, Chao Fan, Jun Yin, Pui-In Mak, Li Geng, "Analysis and Design of a 21.2-to-25.5-GHz Triple-Coil Transformer-Coupled QVCO," IEEE Transactions on Circuits and Systems I: Regular Papers (TCAS-I), 2024. [Xplore link]
- Ya Zhao, Chao Fan, Qiuyu Fang, Guohe Zhang, Jun Yin, Pui-In Mak, Li Geng, "A 0.07mm2 20-to-23.8GHz 8-phase Oscillator Incorporating Magnetic + Dual-Injection Coupling Achieving 189.2dBc/Hz FoM@10MHz and 200.7dBc/Hz FoMA in 65nm CMOS" in IEEE International Solid-State Circuits Conference (ISSCC), pp. 354-356, San Francisco, Feb. 2024. [Xplore link]
- Ya Zhao, Chao Fan, Yuanxing Peng, Chenglong Liang, Jun Yin, Pui-In Mak, Li Geng, "A 12.9-to-24 GHz Dual-Mode Multi-Coil VCO Achieving 199.2 dBc/Hz Peak FoMT in 65-nm CMOS" IEEE Transactions on Circuits and Systems II: Express Briefs (TCAS-II), vol. 71, no. 5, pp. 2604–2608, May 2024. [Xplore link]
- Chao Fan, Ya Zhao, Yanlong Zhang, Jun Yin, Pui-In Mak, Guohe Zhang, Li Geng, “A 13.5-to-28.8GHz 72.3%-Locking Range Multi-Phase Injection-Locked Frequency Tripler with Improved Output Power and Wideband Subharmonic-Spur Rejection in 28nm CMOS” in IEEE Custom Integrated Circuits Conference (CICC) San Antonio, Apr. 2023. [Xplore link]
- Chao Fan, Ya Zhao, Yanlong Zhang, Jun Yin, Li Geng, Pui-In Mak, “A 3.57-mW 2.88-GHz Multi-Phase Injection-Locked Ring-VCO With a 200-kHz 1/f3 Phase Noise Corner,” IEEE Transactions on Circuits and Systems II: Express Briefs (TCAS-II), vol. 70, no. 3, pp. 865–869, Mar 2023. [Xplore link]
- Chao Fan, Jun Yin, Chee-cheow Lim, Pui-In Mak, Rui P. Martins, “A 9mW 54.9-to-63.5GHz Current-Reuse LO Generator with a 186.7dBc/Hz FoM by Unifying a 20GHz 3rd-Harmonic-Rich Current-Output VCO, a Harmonic-Current Filter and a 60GHz TIA” in IEEE International Solid-State Circuits Conference (ISSCC), pp. 282-284, San Francisco, Feb. 2020. [Xplore link]
ISSCC 2020-Student Travel Grant Award (STGA)
- Chao Fan, Wei-Han Yu, Pui-In Mak, Rui P. Martins, “A 40-Gb/s PAM-4 Transmitter Using a 0.16 pJ/bit SST-CML-Hybrid(SCH) Output Driver and a Hybrid-Path 3-Tap FFE Scheme in 28-nm CMOS,” IEEE Transactions on Circuits and Systems I: Regular Papers (TCAS-I), vol. 66, no. 12, pp. 4850–4861, Dec 2019. [Xplore link]