An 18-GHz, 10.9-dBm fully-integrated power amplifier with 23.5% PAE in 130-nm CMOS. - Changhua Cao; Haifeng Xu; Yu Su; Kenneth K. O (ESSCIRC, 2005)

The feasibility of on-chip interconnection using antennas. - Kenneth K. O; Kihong Kim; Brian A. Floyd; Jesal Mehta; Hyun Yoon; Chih-Ming Hung; Daniel F. Bravo; Timothy O. Dickson; Xiaoling Guo; Ran Li 001; Narasimhan Trichy; James Caserta; et al. (ICCAD, 2005)

A 50-GHz Phase-Locked Loop in 130-nm CMOS. - Changhua Cao; Yanping Ding; Kenneth K. O (CICC, 2006)

Silicon Integrated Circuits Incorporating Antennas. - Kenneth K. O; Kihong Kim; Brian A. Floyd; Jesal Mehta; Hyun Yoon; Chih-Ming Hung; Daniel F. Bravo; Timothy O. Dickson; Xiaoling Guo; Ran Li 001; Narasimhan Trichy; James Caserta; et al. (CICC, 2006)

Millimeter-wave voltage-controlled oscillators in 0.13-μm CMOS technology. - Changhua Cao; Kenneth K. O (IEEE J. Solid State Circuits, 2006)

CMOS Millimeter-Wave Signal Sources and Detectors. - Kenneth K. O; Changhua Cao; Eunyoung Seok; Swaminathan Sankaran (ISCAS, 2007)

A 50-GHz Phase-Locked Loop in 0.13-µm CMOS. - Changhua Cao; Yanping Ding; Kenneth K. O (IEEE J. Solid State Circuits, 2007)

A 410GHz CMOS Push-Push Oscillator with an On-Chip Patch Antenna. - Eunyoung Seok; Changhua Cao; Dongha Shim; Daniel J. Arenas; David B. Tanner; Chih-Ming Hung; Kenneth K. O (ISSCC, 2008)

A 24-GHz Transmitter With On-Chip Dipole Antenna in 0.13-µm CMOS. - Changhua Cao; Yanping Ding; Xiuge Yang; Jau-Jr Lin; Hsin-Ta Wu; Ashok K. Verma; Jenshan Lin; Frédérick Martin; Kenneth K. O (IEEE J. Solid State Circuits, 2008)

Paths to terahertz CMOS integrated circuits. - Dongha Shim; Chuying Mao; Ruonan Han 001; Swaminathan Sankaran; Eunyoung Seok; Changhua Cao; Wojciech Knap; Kenneth K. O (CICC, 2009)

Towards terahertz operation of CMOS. - Swaminathan Sankaran; Chuying Mao; Eunyoung Seok; Dongha Shim; Changhua Cao; Ruonan Han 001; Daniel J. Arenas; David B. Tanner; Stephen Hill; Chih-Ming Hung; Kenneth K. O (ISSCC, 2009)

Progress and Challenges Towards Terahertz CMOS Integrated Circuits. - Eunyoung Seok; Dongha Shim; Chuying Mao; Ruonan Han 001; Swaminathan Sankaran; Changhua Cao; Wojciech Knap; Kenneth K. O (IEEE J. Solid State Circuits, 2010)

Multi-Level Amplitude Modulation of a 16.8-GHz Class-E Power Amplifier With Negative Resistance Enhanced Power Gain for 400-Mbps Data Transmission. - Hsin-Ta Wu; Ruonan Han 001; Wuttichai Lerdsitsomboon; Changhua Cao; Kenneth K. O (IEEE J. Solid State Circuits, 2010)

2.5 A high-efficiency multiband Class-F power amplifier in 0.153µm bulk CMOS for WCDMA/LTE applications. - Jenwei Ko; Xiaochuan Guo; Changhua Cao; Saravanan Rajapandian; Solti Peng; Jing Li; Wenchang Lee; Narayanan Baskaran; Caiyi Wang (ISSCC, 2017)

An LTE-A Multimode Multiband RF Transceiver with 4RX/2TX Inter-Band Carrier Aggregation, 2-Carrier 4×4 MIMO with 256QAM and HPUE Capability in 28nm CMOS. - Chih-Chun Tang; Yi-Bin Lee; Chih-hao Eric Sun; Cheng-Chieh Lin; Jin-Siang Syu; Min-Hua Wu; YangChuan Chen; Tzu-Chan Chueh; Carl Bryant; Manel Collados; Mohammed Hassan; João Ramos; et al. (ISSCC, 2019)

A Fast Locking 5.8 - 7.2 GHz Fractional-N Synthesizer with Sub-2 us Settling Time in 22 nm FDSOI. - Jeffrey Prinzie; Shuja Andrabi; Christophe Beghein; Changhua Cao; Xiaochuan Guo; Jon Strange; Bernard Tenbroek (VLSI Circuits, 2020)