L1/L2 dual-band CMOS GPS receiver. - Jongmoon Kim; Sanghyun Cho; Jinho Ko (ESSCIRC, 2004)

A CMOS 868/915 MHz direct conversion. ZigBee single-chip radio. - Nam-Jin Oh; Sang-Gug Lee 001; Jinho Ko (IEEE Commun. Mag., 2005)

A 19-mW 2.6-mm2 L1/L2 dual-band CMOS GPS receiver. - Jinho Ko; Jongmoon Kim; Sanghyun Cho; Kwyro Lee (IEEE J. Solid State Circuits, 2005)

An isolator-less CMOS RF front-end for UHF mobile RFID reader. - Eun-Hee Kim; Kwyro Lee; Jinho Ko (ISSCC, 2011)

An interference-aware 5.8GHz wake-up radio for ETCS. - Jeongki Choi; Kanghyuk Lee; Seok-Oh Yun; Sang-Gug Lee 001; Jinho Ko (ISSCC, 2012)

A new TX leakage-suppression technique for an RFID receiver using a dead-zone amplifier. - Sang-Sung Lee; Jaeheon Lee; In-Young Lee; Sang-Gug Lee 001; Jinho Ko (ISSCC, 2013)

3.7 A fully integrated TV tuner front-end with 3.1dB NF, >+31dBm OIP3, >83dB HRR3/5 and >68dB HRR7. - In-Young Lee; Sang-Sung Lee; Donggu Im; Seungjin Kim; Jeongki Choi; Sang-Gug Lee 001; Jinho Ko (ISSCC, 2014)

A 50-450 MHz Tunable RF Biquad Filter Based on a Wideband Source Follower With > 26 dBm IIP3, +12 dBm P1 dB, and 15 dB Noise Figure. - In-Young Lee; Donggu Im; Jinho Ko; Sang-Gug Lee 001 (IEEE J. Solid State Circuits, 2015)

A 915 MHz, 499 μW, -99 dBm, and 100 kbps BFSK Direct Conversion Receiver. - Keun-Mok Kim; Eui-Rim Jeong; Kyung-Sik Choi; Subin Kim; Byeonghun Yun; Hyunki Jung; Wonkab Oh; Jinho Ko; Sang-Gug Lee 001 (ESSCIRC, 2019)

A 5 dBm 30.6% Efficiency 915 MHz Transmitter with 210 μW ULP PLL Employing Frequency Tripler and Digitally Controlled Duty/Phase Calibration Buffer. - Kyung-Sik Choi; Keun-Mok Kim; Jinho Ko; Sang-Gug Lee 001 (A-SSCC, 2020)

A Single-Supply Single-Core Inverse Class-D Digital Power Amplifier with Enhanced Power Back-Off Efficiency Adopting Output Power Scaling Technique. - Kyung-Sik Choi; Jinho Ko; Sang-Gug Lee 001 (VLSI Circuits, 2021)

A Sub-nW Single-Supply 32-kHz Sub-Harmonic Pulse Injection Crystal Oscillator. - Keun-Mok Kim; Subin Kim; Kyung-Sik Choi; Hyunki Jung; Jinho Ko; Sang-Gug Lee 001 (IEEE J. Solid State Circuits, 2021)

A -123-dBm Sensitivity Split-Channel BFSK Reconfigurable Data/Wake-Up Receiver for Low-Power Wide-Area Networks. - Keun-Mok Kim; Hyun-Gi Seok; Oh-Yong Jung; Kyung-Sik Choi; Byeonghun Yun; Subin Kim; Wonkab Oh; Eui-Rim Jeong; Jinho Ko; Sang-Gug Lee 001 (IEEE J. Solid State Circuits, 2021)

A Low-Noise and Fast-Settling UHF RFID Receiver With Digitally Controlled Leakage Cancellation. - Subin Kim; Kyung-Sik Choi; Keun-Mok Kim; Jinho Ko; Jusung Kim; Sang-Gug Lee 001 (IEEE Trans. Circuits Syst. II Express Briefs, 2021)

An LPWAN Radio with a Reconfigurable Data/Duty-Cycled-Wake-Up Receiver. - Keun-Mok Kim; Kyung-Sik Choi; Hyunki Jung; Byeonghun Yun; Subin Kim; Wonkab Oh; Eui-Soo Lee; Sujin Park; Eui-Rim Jeong; Jinho Ko; Sang-Gug Lee 001 (ISSCC, 2022)

A 0.3-to-1-GHz IoT Transmitter Employing Pseudo-Randomized Phase Switching Modulator and Single-Supply Class-G Harmonic Rejection PA. - Kyung-Sik Choi; Jinho Ko; Keun-Mok Kim; Jusung Kim; Sang-Gug Lee 001 (IEEE J. Solid State Circuits, 2022)

A 915 MHz IoT Transmitter Employing Frequency Tripler and Digitally Controlled Duty-Cycle/Phase Calibration. - Kyung-Sik Choi; Keun-Mok Kim; Jinho Ko; Sang-Gug Lee 001 (IEEE J. Solid State Circuits, 2022)

CMOS Fractional-N Frequency Synthesizer for UHF RFID Reader Applications With Transformer-Based ISF Manipulation VCO. - Hyunki Jung; Kyung-Sik Choi; Keun-Mok Kim; Daehoon Jo; Jaeheon Lee; Jusung Kim; Jinho Ko; Sang-Gug Lee 001 (IEEE Trans. Circuits Syst. II Express Briefs, 2022)

A -124-dBm Sensitivity Interference-Resilient Direct-Conversion Duty-Cycled Wake-Up Receiver Achieving 0.114 mW at 1.966-s Wake-Up Latency. - Keun-Mok Kim; Kyung-Sik Choi; Hyunki Jung; Byeonghun Yun; Jinglong Xu; Jinho Ko; Sang-Gug Lee 001 (IEEE J. Solid State Circuits, 2023)

A 24% Efficient, 15.36 dBm Output Power, Multi-Standard Digital Polar Transmitter with 7-bit Phase Interpolator-based BFSK Modulator and 23 dB Sidelobe Suppressed PA for Low-Power Wide Area Networks. - Hafiz Usman Mahmood; Keun-Mok Kim; Thinh Tran-Dinh; Jinglong Xu; Abdul Qahir; Jinho Ko; Jusung Kim; Sang-Gug Lee 001; Kyung-Sik Choi (A-SSCC, 2024)