A high-frequency fully differential BiCMOS operational amplifier. - Andrew N. Karanicolas; Kenneth K. O; John Y. A. Wang; Hae-Seung Lee; Rafael L. Reif (IEEE J. Solid State Circuits, 1991)

4- and 13-GHz tuned amplifiers implemented in a 0.1-μm CMOS technology on SOI, SOS, and bulk substrates. - Yo-Chuol Ho; Kihong Kim; Brian A. Floyd; Clement Wann; Yuan Taur; Isaac Lagnado; Kenneth K. O (IEEE J. Solid State Circuits, 1998)

A 900-MHz, 0.8-μm CMOS low noise amplifier with 1.2-dB noise figure. - Brian A. Floyd; Jesal Mehta; Carlos Gamero; Kenneth K. O (CICC, 1999)

Effects of substrate resistances on LNA performance and a bondpad structure for reducing the effects in a silicon bipolar technology. - John T. Colvin; Saket S. Bhatia; Kenneth K. O (IEEE J. Solid State Circuits, 1999)

A high-speed CMOS dual-phase dynamic-pseudo NMOS ((DP)2) latch and its application in a dual-modulus prescaler. - Hongyan Yan; Manish Biyani; Kenneth K. O (IEEE J. Solid State Circuits, 1999)

A 900-MHz T/R switch with a 0.8-dB insertion loss implemented in a 0.5-μm CMOS process. - Feng-Jung Huang; Kenneth K. O (CICC, 2000)

A packaged 1.1-GHz CMOS VCO with phase noise of -126 dBc/Hz at a 600-kHz offset. - Chih-Ming Hung; Kenneth K. O (IEEE J. Solid State Circuits, 2000)

A comparison of CMOS and SiGe LNA's and mixers for wireless LAN application. - Xi Li; Tom Brogan; Mark Esposito; Brent Myers; Kenneth K. O (CICC, 2001)

Demonstration of a switched resonator concept in a dual-band monolithic CMOS LC-tuned VCO. - Seong-Mo Yim; Kenneth K. O (CICC, 2001)

A 0.5-μm CMOS T/R switch for 900-MHz wireless applications. - Feng-Jung Huang; Kenneth K. O (IEEE J. Solid State Circuits, 2001)

Wireless interconnects for clock distribution. - Brian A. Floyd; Xiaoling Guo; James Caserta; Timothy O. Dickson; Chih-Ming Hung; Kihong Kim; Kenneth K. O (Timing Issues in the Specification and Synthesis of Digital Systems, 2002)

Intra-chip wireless interconnect for clock distribution implemented with integrated antennas, receivers, and transmitters. - Brian A. Floyd; Chih-Ming Hung; Kenneth K. O (IEEE J. Solid State Circuits, 2002)

A fully integrated 1.5-V 5.5-GHz CMOS phase-locked loop. - Chih-Ming Hung; Kenneth K. O (IEEE J. Solid State Circuits, 2002)

The effects of a ground shield on the characteristics and performance of spiral inductors. - Seong-Mo Yim; Tong Chen; Kenneth K. O (IEEE J. Solid State Circuits, 2002)

10× improvement of power transmission over free space using integrated antennas on silicon substrates. - Jau-Jr Lin; Xiaoling Guo; Ran Li 001; Jason Branch; Joe E. Brewer; Kenneth K. O (CICC, 2004)

Single-pole double-throw CMOS switches for 900-MHz and 2.4-GHz applications on p-silicon substrates. - Feng-Jung Huang; Kenneth K. O (IEEE J. Solid State Circuits, 2004)

A dual-band CMOS front-end with two gain modes for wireless LAN applications. - Zhenbiao Li; Richard Quintal; Kenneth K. O (IEEE J. Solid State Circuits, 2004)

Initialization of a wireless clock distribution system using an external antenna. - Ran Li 001; Xiaoling Guo; Dong-Jun Yang; Kenneth K. O (CICC, 2005)

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 low-phase-noise and low-power multiband CMOS voltage-controlled oscillator. - Zhenbiao Li; Kenneth K. O (IEEE J. Solid State Circuits, 2005)

15-GHz fully integrated nMOS switches in a 0.13-μm CMOS process. - Zhenbiao Li; Kenneth K. O (IEEE J. Solid State Circuits, 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)

A Receiver with Start-up Initialization and Programmable Delays for Wireless Clock Distribution. - Xiaoling Guo; Dong-Jun Yang; Ran Li 001; Kenneth K. O (ISSCC, 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 Dual-Band CMOS Transceiver for 3G TD-SCDMA. - Zhenbiao Li; Wenhai Ni; Jie Ma; Ming Li; Dequn Ma; Dong Zhao; Jesal Mehta; David Hartman; Xianfeng Wang; Ken K. O; Kai Che (ISSCC, 2007)

Wireless Clock Distribution System Using an External Antenna. - Ran Li 001; Xiaoling Guo; Dong-Jun Yang; Kenneth K. O (IEEE J. Solid State Circuits, 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 21-GHz 8-Modulus Prescaler and a 20-GHz Phase-Locked Loop Fabricated in 130-nm CMOS. - Yanping Ding; Kenneth K. O (IEEE J. Solid State Circuits, 2007)

Communication Using Antennas Fabricated in Silicon Integrated Circuits. - Jau-Jr Lin; Hsin-Ta Wu; Yu Su; Li Gao; Aravind Sugavanam; Joe E. Brewer; Kenneth K. O (IEEE J. Solid State Circuits, 2007)

A Ultra-Wideband Amplitude Modulation (AM) Detector Using Schottky Barrier Diodes Fabricated in Foundry CMOS Technology. - Swaminathan Sankaran; Kenneth K. O (IEEE J. Solid State Circuits, 2007)

A 31.3-dBm Bulk CMOS T/R Switch Using Stacked Transistors With Sub-Design-Rule Channel Length in Floated p-Wells. - Haifeng Xu; Kenneth K. O (IEEE J. Solid State Circuits, 2007)

Wireless interconnection within a hybrid engine controller board. - Swaminathan Sankaran; Kyujin Oh; Hsin-Ta Wu; Kenneth K. O (CICC, 2008)

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)

125-GHz Diode Frequency Doubler in 0.13-µm CMOS. - Chuying Mao; Chakravartula Shashank Nallani; Swaminathan Sankaran; Eunyoung Seok; Kenneth K. O (IEEE J. Solid State Circuits, 2009)

280-GHz schottky diode detector in 130-nm digital CMOS. - Ruonan Han 001; Yaming Zhang; Dominique Coquillat; Julie Hoy; Hadley Videlier; Wojciech Knap; Elliott Brown; Kenneth K. O (CICC, 2010)

W-band pulsed radar receiver in low cost CMOS. - Ning Zhang; Kenneth K. O (CICC, 2010)

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)

A 280-GHz Schottky Diode Detector in 130-nm Digital CMOS. - Ruonan Han 001; Yaming Zhang; Dominique Coquillat; Hadley Videlier; Wojciech Knap; Elliott Brown; Kenneth K. O (IEEE J. Solid State Circuits, 2011)

Technique for Integration of a Wireless Switch in a 2.4 GHz Single Chip Radio. - Wuttichai Lerdsitsomboon; Kenneth K. O (IEEE J. Solid State Circuits, 2011)

Terahertz image sensors using CMOS Schottky barrier diodes. - Ruonan Han 001; Yaming Zhang; Youngwan Kim; Dae Yeon Kim; Hisashi Shichijo; Kenneth K. O (ISOCC, 2012)

280GHz and 860GHz image sensors using Schottky-barrier diodes in 0.13μm digital CMOS. - Ruonan Han 001; Yaming Zhang; Youngwan Kim; Dae Yeon Kim; Hisashi Shichijo; Ehsan Afshari; Kenneth K. O (ISSCC, 2012)

Components for generating and phase locking 390-GHz signal in 45-nm CMOS. - Dongha Shim; Dimitrios Koukis; Daniel J. Arenas; David B. Tanner; Eunyoung Seok; Joe E. Brewer; Kenneth K. O (VLSIC, 2012)

Compact, High Impedance and Wide Bandwidth Detectors for Characterization of Millimeter Wave Performance. - Chikuang Yu; Chieh-Lin Wu; Sandeep Kshattry; Yang-Hun Yun; Choong-Yul Cha; Hisashi Shichijo; Kenneth K. O (IEEE J. Solid State Circuits, 2012)

Schottky diodes in CMOS for terahertz circuits and systems. - Yaming Zhang; Ruonan Han 001; Youngwan Kim; Dae Yeon Kim; Hisashi Shichijo; Swaminathan Sankaran; Chuying Mao; Eunyoung Seok; Dongha Shim; Kenneth K. O (RWS, 2013)

Active Terahertz Imaging Using Schottky Diodes in CMOS: Array and 860-GHz Pixel. - Ruonan Han 001; Yaming Zhang; Youngwan Kim; Dae Yeon Kim; Hisashi Shichijo; Ehsan Afshari; Kenneth K. O (IEEE J. Solid State Circuits, 2013)

Full-Duplex Crystalless CMOS Transceiver With an On-Chip Antenna for Wireless Communication in a Hybrid Engine Controller Board. - Kyujin Oh; Swaminathan Sankaran; Hsin-Ta Wu; Jau-Jr Lin; Minsoon Hwang; Kenneth K. O (IEEE J. Solid State Circuits, 2013)

54 GHz CMOS LNAs with 3.6 dB NF and 28.2 dB gain using transformer feedback Gm-boosting technique. - Shita Guo; Tianzuo Xi; Ping Gui; Jing Zhang; Wooyeol Choi 001; Kenneth K. O; Yanli Fan; Daquan Huang; Richard Gu; Mark Morgan (A-SSCC, 2014)

85-to-127 GHz CMOS transmitter for rotational spectroscopy. - Navneet Sharma; Jing Zhang; Qian Zhong; Wooyeol Choi 001; James P. McMillan; Christopher F. Neese; Frank C. De Lucia; Kenneth K. O (CICC, 2014)

High-Efficiency Power Amplifier Using an Active Second-Harmonic Injection Technique Under Optimized Third-Harmonic Termination. - Mincheol Seo; Hwiseob Lee; Jehyeon Gu; Hyungchul Kim; Junghyun Ham; Wooyeol Choi 001; Yanghun Yun; Kenneth K. O; Youngoo Yang (IEEE Trans. Circuits Syst. II Express Briefs, 2014)

0.65-0.73THz quintupler with an on-chip antenna in 65-nm CMOS. - Zeshan Ahmad; Kenneth K. O (VLSIC, 2015)

410-GHz CMOS imager using a 4th sub-harmonic mixer with effective NEP of 0.3 fW/Hz0.5 at 1-kHz noise bandwidth. - Wooyeol Choi 001; Zeshan Ahmad; Amit Jha; Ja-Yol Lee; Insoo Kim; Kenneth K. O (VLSIC, 2015)

85-to-127 GHz CMOS Signal Generation Using a Quadrature VCO With Passive Coupling and Broadband Harmonic Combining for Rotational Spectroscopy. - Jing Zhang; Navneet Sharma; Wooyeol Choi 001; Dongha Shim; Qian Zhong; Kenneth K. O (IEEE J. Solid State Circuits, 2015)

20.5 1.4THz, -13dBm-EIRP frequency multiplier chain using symmetric- and asymmetric-CV varactors in 65nm CMOS. - Zeshan Ahmad; Mark Lee; Kenneth K. O (ISSCC, 2016)

25.2 A 210-to-305GHz CMOS receiver for rotational spectroscopy. - Qian Zhong; Wooyeol Choi 001; Christopher Miller 005; Rashaunda Henderson; Kenneth K. O (ISSCC, 2016)

-197dBc/Hz FOM 4.3-GHz VCO Using an addressable array of minimum-sized nmos cross-coupled transistor pairs in 65-nm CMOS. - Amit Jha; Ali Ahmadi; Sandeep Kshattry; T. Cao; K. Liao; Geoffrey Yeap; Yiorgos Makris; Kenneth K. O (VLSI Circuits, 2016)

CMOS terahertz receivers. - Qian Zhong; Wooyeol Choi 001; Dae Yeon Kim; Zeshan Ahmad; Rui Xu 008; Yaming Zhang; Ruonan Han 001; Sandeep Kshattry; Navneet Sharma; Z.-Y. Chen; Dongha Shim; Swaminathan Sankaran; et al. (CICC, 2018)

300-GHz CMOS QPSK transmitter for 30-Gbps dielectric waveguide communication. - Qian Zhong; Zhiyu Chen; Navneet Sharma; Sandeep Kshattry; Wooyeol Choi 001; Kenneth K. O (CICC, 2018)

Terahertz RF Front-End Employing Even-Order Subharmonic MOS Symmetric Varactor Mixers in 65-NM CMOS for Hydration Measurements at 560 GHz. - Qian Zhong; Wooyeol Choi 001; Kenneth K. O (VLSI Circuits, 2018)

Submillimeter wave manifold diplexer designed in 65 nm CMOS. - Neha Mahendarkar Vijayakumar; Michael Gomez; Kenneth K. O; Rashaunda Henderson (WiSNet, 2018)

Functional Performance of a Millimeter Wave Square Holey Dielectric Waveguide. - Nafiseh Aflakian; Michael Gomez; Christopher Miller 005; Rashaunda Henderson; Duncan L. MacFarlane; Kenneth K. O (RWS, 2019)

426-GHz Imaging Pixel Integrating a Transmitter and a Coherent Receiver with an Area of 380×47μm2 in 65-nm CMOS. - Yukun Zhu; Pranith R. Byreddy; Kenneth K. O; Wooyeol Choi 001 (VLSI Circuits, 2019)

Opening Terahertz for Everyday Applications. - Kenneth K. O; Wooyeol Choi 001; Qian Zhong; Navneet Sharma; Yaming Zhang; Ruonan Han 001; Zeshan Ahmad; Dae Yeon Kim; Sandeep Kshattry; Ivan R. Medvedev; David John Lary; Hyun-Joo Nam; et al. (IEEE Commun. Mag., 2019)

287-GHz CMOS Transceiver Pixel Array in a QFN Package for Active Imaging. - Pranith R. Byreddy; Yukun Zhu; Harshpreet S. Bakshi; Kenneth K. O; Wooyeol Choi 001 (A-SSCC, 2020)

A Wideband 180-GHz Phase-Lacked-Loop Based MSK Receiver. - Shenggang Dong; Ibukunoluwa Momson; Sandeep Kshattry; Pavan Yelleswarapu; Wooyeol Choi 001; Kenneth K. O (CICC, 2020)

315-GHz Self-Synchronizing Minimum Shift Keying Receiver in 65-nm CMOS. - Ibukunoluwa Momson; Shenggang Dong; Pavan Yelleswarapu; Wooyeol Choi 001; Kenneth K. O (VLSI Circuits, 2020)

270-to-300GHz Double-Balanced Parametric Upconverter Using Asymmetric MOS Varactors and a Power-Splitting- Transformer Hybrid in 65nm CMOS. - Zhiyu Chen; Wooyeol Choi 001; Kenneth K. O (ISSCC, 2021)

A 10-Gb/s 180-GHz Phase-Locked-Loop Minimum Shift Keying Receiver. - Shenggang Dong; Ibukunoluwa Momson; Sandeep Kshattry; Pavan Yelleswarapu; Wooyeol Choi 001; Kenneth K. O (IEEE J. Solid State Circuits, 2021)

Terahertz Even-Order Subharmonic Mixer Using Symmetric MOS Varactors. - Qian Zhong; Wooyeol Choi 001; Kenneth K. O (IEEE J. Solid State Circuits, 2021)

A 430GHz CMOS Concurrent Transceiver Pixel Array for High Angular Resolution Reflection-Mode Active Imaging. - Yukun Zhu; Pranith R. Byreddy; Shenggang Dong; Kenneth K. O; Wooyeol Choi 001 (ISSCC, 2022)

300-GHz Double-Balanced Up-Converter Using Asymmetric MOS Varactors in 65-nm CMOS. - Zhiyu Chen; Wooyeol Choi 001; Kenneth K. O (IEEE J. Solid State Circuits, 2022)

Silicon Technology Innovation Opportunities for Applications at 0.1 to 1 THz Beyond that for Transistors. - Kenneth K. O; Muhammad Awais; Salahuddin Tariq; Matthew Stark; Suprovo Ghosh; Farooq Muhammad Musab; Behnam Pouya; Haidong Guo; Goutham Murugesan; Suhwan Lee; Sarfraz Shariff; Walter Sosa Portillo; et al. (ESSDERC, 2023)

380-GHz Third Harmonic Signal Generation Using Differentially Pumped Varactors in a CMOS Voltage Controlled Oscillator. - Zhe Chen 021; Hongcheng Dong; Zhiyu Chen; Wooyeol Choi 001; Jixin Chen; Kenneth K. O; Wei Hong 002 (IEEE Trans. Circuits Syst. I Regul. Pap., 2025)