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 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 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 
Kyung-Sik ChoiETH ZürichVahvistettu sähköpostiosoite verkkotunnuksessa ethz.ch
