Small-area high-accuracy ODT/OCD by calibration of global on-chip for 512M GDDR5 application. - Jabeom Koo; Gil-Su Kim; Junyoung Song; Kwan-Weon Kim; Young-Jung Choi; Chulwoo Kim (CICC, 2009)

A Fast-lock Synchronous Multi-phase Clock Generator based on a Time-to-digital Converter. - Dongsuk Shin; Jabeom Koo; Won-Joo Yun; Young-Jung Choi; Chulwoo Kim (ISCAS, 2009)

A Low-Power Programmable DLL-Based Clock Generator With Wide-Range Antiharmonic Lock. - Jabeom Koo; Sunghwa Ok; Chulwoo Kim (IEEE Trans. Circuits Syst. II Express Briefs, 2009)

An Antiharmonic, Programmable, DLL-Based Frequency Multiplier for Dynamic Frequency Scaling. - Sunghwa Ok; Kyunghoon Chung; Jabeom Koo; Chulwoo Kim (IEEE Trans. Very Large Scale Integr. Syst., 2010)

A 283.2μW 800Mb/s/pin DLL-based data self-aligner for Through-Silicon Via (TSV) interface. - Hyun-Woo Lee; Soo-Bin Lim; Junyoung Song; Jabeom Koo; Dae-Han Kwon; Jong-Ho Kang; Yunsaing Kim; Young-Jung Choi; Kunwoo Park; Byong-Tae Chung; Chulwoo Kim (ISSCC, 2012)

A -173 dBc/Hz @ 1 MHz offset Colpitts oscillator using AlN contour-mode MEMS resonator. - Jabeom Koo; Augusto Tazzoli; Jeronimo Segovai-Fernandez; Gianluca Piazza; Brian P. Otis (CICC, 2013)

A 1.6mW 300mV-supply 2.4GHz receiver with -94dBm sensitivity for energy-harvesting applications. - Fan Zhang 049; Keping Wang; Jabeom Koo; Yasunori Miyahara; Brian P. Otis (ISSCC, 2013)

A 0.008 mm2 500 µW 469 kS/s Frequency-to-Digital Converter Based CMOS Temperature Sensor With Process Variation Compensation. - Sewook Hwang; Jabeom Koo; Kisoo Kim; Hokyu Lee; Chulwoo Kim (IEEE Trans. Circuits Syst. I Regul. Pap., 2013)

21.7 A 1.8mW PLL-free channelized 2.4GHz ZigBee receiver utilizing fixed-LO temperature-compensated FBAR resonator. - Keping Wang; Jabeom Koo; Richard C. Ruby; Brian P. Otis (ISSCC, 2014)

25.9 A ±3ppm 1.1mW FBAR frequency reference with 750MHz output and 750mV supply. - Kannan A. Sankaragomathi; Jabeom Koo; Richard C. Ruby; Brian P. Otis (ISSCC, 2015)

A 350uW 2GHz FBAR transformer coupled Colpitts oscillator with close-in phase noise reduction. - Jabeom Koo; Keping Wang; Richard C. Ruby; Brian P. Otis (CICC, 2017)

A ± 1.55ppm Stable FBAR Reference Clock with Oven-Controlled Temperature Compensation. - Jabeom Koo; Kannan A. Sankaragomathi; Richard C. Ruby; Brian Otis (J. Electr. Comput. Eng., 2018)

Design of 1.8-mW PLL-Free 2.4-GHz Receiver Utilizing Temperature-Compensated FBAR Resonator. - Keping Wang; Lei Qiu 002; Jabeom Koo; Richard C. Ruby; Brian Otis (IEEE J. Solid State Circuits, 2018)

A 2-GHz FBAR-Based Transformer Coupled Oscillator Design With Phase Noise Reduction. - Jabeom Koo; Keping Wang; Richard C. Ruby; Brian P. Otis (IEEE Trans. Circuits Syst. II Express Briefs, 2019)

In situ virtual sensors in building digital twins: framework and methodology. - Sungmin Yoon; Youngwoong Choi; Jabeom Koo (J. Ind. Inf. Integr., 2023)

Simultaneous in-situ calibration for physical and virtual sensors towards digital twin-enabled building operations. - Jabeom Koo; Sungmin Yoon (Adv. Eng. Informatics, 2024)