A DC-4GHz High Linearity Attenuator with Negative Temperature Coefficient. - Yangyang Zhou; Hao Zhang 111; Chuanchuan Wan; Tian Zhang (ICTA, 2021)

A 30-to-41 GHz SiGe Power Amplifier With Optimized Cascode Transistors Achieving 22.8 dBm Output Power and 27% PAE. - Chuanchuan Wan; Hao Zhang 111; Ling Li; Keping Wang (IEEE Trans. Circuits Syst. II Express Briefs, 2021)

A Broadband SiGe HBT Cascode Power Amplifier Achieving Watt-Level Peak Output Power With 38.6% PAE and 90.9% Large-Signal Fractional Bandwidth. - Chuanchuan Wan; Hao Zhang 111; Yuan Zhao; Ming Zeng; Jiayu Dong; Ling Li; Keping Wang (IEEE Trans. Circuits Syst. II Express Briefs, 2022)