Harmonic imaging with gas-filled microspheres: Initial experiences. - Flemming Forsberg; Barry B. Goldberg; Yunqiu Wu; Ji-Bin Liu; Daniel A. Merton; Nandkumar M. Rawool (Int. J. Imaging Syst. Technol., 1997)

Influence of CPW Dimension on Quality Factor in Microwave Measurement. - Xin Cao 005; Yunqiu Wu; Zongxi Tang; Biao Zhang (CIT, 2012)

Design of an X-Band Negative Resistance Oscillator Based on the ASIW in Modern Wireless Communication Systems. - Xin Cao 005; Zongxi Tang; Chengjie Su; Fei Wang; Yunqiu Wu (CSE, 2014)

Analysis and Design of Inductorless Wideband Low-Noise Amplifier With Noise Cancellation Technique. - Yiming Yu; Kai Kang; Yiming Fan; Chenxi Zhao 001; Huihua Liu; Yunqiu Wu; Yong-Ling Ban; Wen-Yan Yin (IEEE Access, 2017)

A CMOS K-Band 6-bit Attenuator With Low Phase Imbalance for Phased Array Applications. - Lin Zhang; Chenxi Zhao 001; Xiaoning Zhang; Yunqiu Wu; Kai Kang (IEEE Access, 2017)

Analysis and Design of CMOS Doherty Power Amplifier Based on Voltage Combining Method. - Chenxi Zhao 001; Huihua Liu; Yunqiu Wu; Kai Kang (IEEE Access, 2017)

High-Isolation CMOS T/R Switch Design Using a Two-Stage Equivalent Transmission Line Structure. - Chenxi Zhao 001; Yipeng Wu; Huihua Liu; Yunqiu Wu; Kai Kang (IEEE Access, 2017)

An on-chip antenna integrated with a transceiver in 0.18-µm CMOS technology. - Yexi Song; Yunqiu Wu; Min Sun; Guang Yang; Xiaoning Zhang; Chenxi Zhao 001; Yong-Ling Ban; Xiaohong Tang; Kai Kang (IEICE Electron. Express, 2017)

A 54.4-90 GHz Low-Noise Amplifier in 65-nm CMOS. - Yiming Yu; Huihua Liu; Yunqiu Wu; Kai Kang (IEEE J. Solid State Circuits, 2017)

A 62-90 GHz High Linearity and Low Noise CMOS Mixer Using Transformer-Coupling Cascode Topology. - Zhiqing Liu; Jiayu Dong; Zhilin Chen; Zhengdong Jiang; Pengxue Liu; Yunqiu Wu; Chenxi Zhao 001; Kai Kang (IEEE Access, 2018)

A 5-Gb/s 66 dB CMOS Variable-Gain Amplifier With Reconfigurable DC-Offset Cancellation for Multi-Standard Applications. - Zhiqing Liu; Yunqiu Wu; Chenxi Zhao 001; Johannes Benedikt; Kai Kang (IEEE Access, 2018)

A package-level wideband driver amplifier with 134% fractional bandwidth. - Dong Chen; Zhao Xing; Zhilin Chen; Chenxi Zhao 001; Huihua Liu; Yunqiu Wu; Kai Kang (IEICE Electron. Express, 2018)

An asynchronous dual switch envelope tracking supply modulator with 86% efficiency. - Dong Chen; Chenxi Zhao 001; Yitong Xiong; Yunqiu Wu; Yong-Ling Ban; Ying Liu 013; Huihua Liu; Kai Kang (IEICE Electron. Express, 2018)

A 24 GHz enhanced neutralized cascode LNA with 4.7 dB NF and 19.8 dB gain. - Zhengdong Jiang; Zhiqing Liu; Huihua Liu; Chenxi Zhao 001; Yunqiu Wu; Kai Kang (IEICE Electron. Express, 2018)

A CMOS Ku-band receiver chain for phased array system. - Zhengdong Jiang; Chenxi Zhao 001; Xiaoning Zhang; Weiqiang Lu; Yiming Yu; Huihua Liu; Yunqiu Wu; Kai Kang (IEICE Electron. Express, 2018)

A 39 GHz broadband high-isolation CMOS mixer using magnetic-coupling CG Gm stage for 5G applications. - Zhiqing Liu; Jiayu Dong; Zhilin Chen; Huihua Liu; Chenxi Zhao 001; Yunqiu Wu; Kai Kang (IEICE Electron. Express, 2018)

Analysis and Design of Ultra-Wideband mm-Wave Injection-Locked Frequency Dividers Using Transformer-Based High-Order Resonators. - Jingzhi Zhang; Yixuan Cheng; Chenxi Zhao 001; Yunqiu Wu; Kai Kang (IEEE J. Solid State Circuits, 2018)

A Ku-Band 6-Bit Vector-Sum Phase Shifter With Half-Quadrant Control Technique. - Tianjun Wu; Xiaoning Zhang; Zhao Xing; Yunqiu Wu; Huihua Liu; Chenxi Zhao 001; Yiming Yu; Kai Kang (IEEE Access, 2020)

A 37-40-GHz Low-Phase-Imbalance CMOS Attenuator With Tail-Capacitor Compensation Technique. - Chenxi Zhao 001; Xing Zeng; Lin Zhang; Huihua Liu; Yiming Yu; Yunqiu Wu; Kai Kang (IEEE Trans. Circuits Syst., 2020)

Coupling Effects of Adjacent Inductors on the Transformer in the Millimeter-Wave Regime. - Min Lan; Yunqiu Wu; Kai Kang (ICCBN, 2021)

A Wideband CMOS Frequency Quadrupler With Transformer-Based Tail Feedback Loop. - Yiming Yu; Pan Tang; Kai Yi; Chenxi Zhao 001; Huihua Liu; Yunqiu Wu; Wen-Yan Yin; Kai Kang (IEEE Trans. Circuits Syst. II Express Briefs, 2021)

A 21-to-41-GHz High-Gain Low Noise Amplifier With Triple-Coupled Technique for Multiband Wireless Applications. - Yiming Yu; Jiahong Zhu; Zhirui Zong; Pan Tang; Huihua Liu; Chenxi Zhao 001; Yunqiu Wu; Kai Kang (IEEE Trans. Circuits Syst. II Express Briefs, 2021)

A 33-41-GHz SiGe-BiCMOS Digital Step Attenuator With Minimized Unit Impedance Variation. - Chenxi Zhao 001; Jiawei Guo; Huihua Liu; Yiming Yu; Yunqiu Wu; Kai Kang (IEEE Trans. Very Large Scale Integr. Syst., 2021)

A Dual-Band Vector-Sum Phase Shifter for 28-GHz and 60-GHz Phased Arrays in 65-nm CMOS. - Haibo Yang; Yiming Yu; Chenxi Zhao 001; Huihua Liu; Yunqiu Wu; Kai Kang (ISCAS, 2022)

A 23.5-28.5 GHz High-Gain CMOS Transceiver Based on LO Phase-Shifting Architecture With Broadband LO/IF for 5G Communications. - Qingfeng Zhang; Chenxi Zhao 001; Yiming Yu; Yunqiu Wu; Huihua Liu; Wenquan Che; Quan Xue; Kai Kang (ISCAS, 2022)

A K-/Ka-Band Broadband Low-Noise Amplifier Based on the Multiple Resonant Frequency Technique. - Chenxi Zhao 001; Dongming Duan; Yuhang Xiong; Huihua Liu; Yiming Yu; Yunqiu Wu; Kai Kang (IEEE Trans. Circuits Syst. I Regul. Pap., 2022)

A Ku-Band Eight-Element Phased-Array Transmitter With Built-in Self-Test Capability in 180-nm CMOS Technology. - Yiming Yu; Dong Chen; Xiaoning Zhang; Chenxi Zhao 001; Huihua Liu; Yunqiu Wu; Wen-Yan Yin; Kai Kang (IEEE Trans. Very Large Scale Integr. Syst., 2022)

A reconfigurable Wilkinson power divider based on transmission-line phase shifter for 5G new radio. - Yiming Yu; Xiaoning Zhang; Chenxi Zhao 001; Huihua Liu; Yunqiu Wu; Kai Kang (Sci. China Inf. Sci., 2023)

An 18 30 GHz Vector-Sum Phase Shifter With Two-Stage Transformer-Based Hybrid in 130-nm SiGe BiCMOS. - Yiming Yu; Yanpeng Wu; Pan Tang; Chenxi Zhao 001; Huihua Liu; Yunqiu Wu; Wen-Yan Yin; Kai Kang (IEEE Trans. Circuits Syst. I Regul. Pap., 2023)

A Fast Transient Response Capless LDO Regulator Achieving -78 dB of PSR Up to 2 MHz. - Xiang Cheng; Huihua Liu; Jingzhi Zhang; Yiming Yu; Yunqiu Wu; Chenxi Zhao 001; Kai Kang (ISCAS, 2024)

5.4 A 22.4-to-30.7GHz Phased-Array Receiver with Beam-Pattern Null-Steering and Beam-Tracking Techniques Achieving >30.2dB OTA-Tested Spatial Rejection. - Yiming Yu; Bohan Sun; Mengqian Geng; Chenxi Zhao 001; Huihua Liu; Yunqiu Wu; Jingzhi Zhang; Kai Kang (ISSCC, 2024)

A 28-/60-GHz Dual-Band Receiver Front-End With Sideband-Selection Technique in 65-nm CMOS. - Yiming Yu; Zijian Ouyang; Xingnuo Huo; Chenxi Zhao 001; Huihua Liu; Yunqiu Wu; Kai Kang (IEEE Trans. Circuits Syst. I Regul. Pap., 2024)

A 26/28/39-GHz Reconfigurable Phased-Array Receiver Front-End With Built-In Calibration Technique for 5G New Radio. - Yiming Yu; Runyu Liu; Yanpeng Wu; Mengqian Geng; Ruiqi Wang; Zengchuang Chen; Ruilin Liao; Xin Xie; Xiaobo Duan; Zhiyong Gui; Gang Liu; Chenxi Zhao 001; et al. (IEEE J. Solid State Circuits, 2025)

A Single-Ended Phase and Impedance Invariant mm-Wave VGPA Based on Shunt CS-CG Topology. - Shaoyu Meng; Yiming Yu; Linqizi Xiao; Chenxi Zhao 001; Yunqiu Wu; Huihua Liu; Kai Kang (IEEE Trans. Circuits Syst. I Regul. Pap., 2025)