A 5.5-dBm, 31.9% Efficiency 915-MHz Transmitter Employing Frequency Tripler and 207-μW Synthesizer KS Choi, KM Kim, SB Kim, BH Yun, J Ko, J Kim, SG Lee IEEE Microwave and Wireless Components Letters, 2019 | 11 | 2019 |
A 915 MHz, 499 μW,–99 dBm, and 100 kbps BFSK direct conversion receiver KM Kim, ER Jeong, KS Choi, S Kim, B Yun, H Jung, W Oh, J Ko, SG Lee ESSCIRC 2019-IEEE 45th European Solid State Circuits Conference (ESSCIRC …, 2019 | 11 | 2019 |
An LPWAN radio with a reconfigurable data/duty-cycled-wake-up receiver KM Kim, KS Choi, H Jung, B Yun, S Kim, W Oh, ES Lee, S Park, ER Jeong, ... 2022 IEEE International Solid-State Circuits Conference (ISSCC) 65, 404-406, 2022 | 8 | 2022 |
29.7 a 490GHz 32mw fully integrated CMOS receiver adopting dual-locking FLL KS Choi, DR Utomo, KM Kim, BH Yun, SG Lee, IY Lee 2020 IEEE International Solid-State Circuits Conference-(ISSCC), 452-454, 2020 | 8 | 2020 |
A –123-dBm Sensitivity Split-Channel BFSK Reconfigurable Data/Wake-Up Receiver for Low-Power Wide-Area Networks KM Kim, HG Seok, OY Jung, KS Choi, B Yun, S Kim, W Oh, ER Jeong, ... IEEE Journal of Solid-State Circuits 56 (9), 2656-2667, 2021 | 7 | 2021 |
A sub-nW single-supply 32-kHz sub-harmonic pulse injection crystal oscillator KM Kim, S Kim, KS Choi, H Jung, J Ko, SG Lee IEEE Journal of Solid-State Circuits 56 (6), 1849-1858, 2020 | 7 | 2020 |
A 0.3-to-1-GHz IoT transmitter employing pseudo-randomized phase switching modulator and single-supply class-G harmonic rejection PA KS Choi, J Ko, KM Kim, J Kim, SG Lee IEEE Journal of Solid-State Circuits 57 (3), 892-905, 2021 | 5 | 2021 |
A 915 MHz IoT transmitter employing frequency tripler and digitally controlled duty-cycle/phase calibration KS Choi, KM Kim, J Ko, SG Lee IEEE Journal of Solid-State Circuits 57 (11), 3336-3347, 2022 | 4 | 2022 |
A Low-Noise and Fast-Settling UHF RFID Receiver With Digitally Controlled Leakage Cancellation S Kim, KS Choi, KM Kim, J Ko, J Kim, SG Lee IEEE Transactions on Circuits and Systems II: Express Briefs 68 (8), 2810-2814, 2021 | 4 | 2021 |
A 5 dBm 30.6% Efficiency 915 MHz Transmitter with ULP PLL Employing Frequency Tripler and Digitally Controlled Duty/Phase Calibration Buffer KS Choi, KM Kim, J Ko, SG Lee 2020 IEEE Asian Solid-State Circuits Conference (A-SSCC), 1-4, 2020 | 4 | 2020 |
A Fully Integrated 490-GHz CMOS Receiver Adopting Dual-Locking Receiver-Based FLL KS Choi, KM Kim, DR Utomo, IY Lee, SG Lee IEEE Journal of Solid-State Circuits, 2022 | 2 | 2022 |
0.6 V 8.1/0.2 µW Ultra-Low-Power Logarithmic Power Detectors Employing Subthreshold MOS Transistors KM Kim, HG Seok, JII Seo, KS Choi, SG Lee 2021 IEEE Asian Solid-State Circuits Conference (A-SSCC), 1-3, 2021 | 1 | 2021 |
Method and apparatus for modulating/demodulating an FSK signal SG Lee, ER Jeong, KO Jinho, KIM Keun-Mok US Patent 11,665,032, 2023 | | 2023 |
A 124-dBm Sensitivity Interference-Resilient Direct-Conversion Duty-Cycled Wake-Up Receiver Achieving 0.114 mW at 1.966-s Wake-Up Latency KM Kim, KS Choi, H Jung, B Yun, J Xu, J Ko, SG Lee IEEE Journal of Solid-State Circuits, 2022 | | 2022 |
CMOS Fractional-N Frequency Synthesizer for UHF RFID Reader Applications With Transformer-Based ISF Manipulation VCO H Jung, KS Choi, KM Kim, D Jo, J Lee, J Kim, J Ko, SG Lee IEEE Transactions on Circuits and Systems II: Express Briefs 69 (10), 4083-4087, 2022 | | 2022 |
서브-하모닉 펄스 주입 기반 오실레이터 이상국, 김근목, 고진호, 최경식, 정현기 KR Patent 10-2,382,276, 2021 | | 2021 |
FSK 신호 변복조 방법 및 장치 이상국, 정의림, 고진호, 김근목 WO Patent App. PCT/KR2019/012,446, 2020 | | 2020 |
리플 제거 회로를 가진 펄스폭 조절 장치 이상국, 최경식, 김근목 KR Patent 10-2,092,670, 2020 | | 2020 |
투톤 주파수 기반 온오프 변복조 방법 및 송수신 장치 이상국, 김근목, 최경식 KR Patent 10-2,074,286, 2020 | | 2020 |
무선 수신 장치 이상국, 석현기, 정오용, 김근목 KR Patent 10-2,138,255, 2019 | | 2019 |