2018-06-20 | 153 fsRMS-Integrated-Jitter and 114-Multiplication Factor PVT-Robust 22.8 GHz Ring-LC-Hybrid Injection-Locked Clock Multiplier | Choi, Seojin; Yoo, Seyeon; Lee, Yongsun; Jo, Yongwoo; Lee, Jeonghyun; Lim, Younghyun; Choi, Jaehyouk | CONFERENCE | 371 |
2019-02-17 | 30.9 A 140fs rms -Jitter and -72dBc-Reference-Spur Ring-VCO-Based Injection-Locked Clock Multiplier Using a Background Triple-Point Frequency/Phase/Slope Calibrator | Yoo, Seyeon; Choi, Seojin; Lee, Yongsun; Seong, Taeho; Lim, Younghyun; Choi, Jaehyouk | CONFERENCE | 415 |
2017-06-07 | A -242-dB FOM and -71-dBc Reference Spur Ring-VCO-Based Ultra-Low Jitter Switched-Loop-Filter PLL Using Fast Phase-Error Correction Technique | Seong, Taeho; Lee, Yongsun; Yoo, Seyeon; Choi, Jaehyouk | CONFERENCE | 299 |
2018-09-03 | A 320μV-Output Ripple and 90ns-Settling Time at 0.5V Supply Digital-Analog-Hybrid LDO Using Multi-Level Gate-Voltage Generator and Fast-Decision PD Detector | Lim, Younghyun; Lee, Jeonghyun; Lee, Yongsun; Yoo, Seyeon; Choi, Jaehyouk | CONFERENCE | 286 |
2019-02-17 | A 76fs rms Jitter and -40dBc Integrated-Phase-Noise 28-to-31GHz Frequency Synthesizer Based on Digital Sub-Sampling PLL Using Optimally Spaced Voltage Comparators and Background Loop-Gain Optimization | Kim, Juyeop; Yoon, Heein; Lim, Younghyun; Lee, Yongsun; Cho, Yoonseo; Seong, Taeho; Choi, Jaehyouk | CONFERENCE | 409 |
2015-03 | A Low Phase Noise Injection-Locked Programmable Reference Clock Multiplier with a Two-Phase PVT-Calibrator for ΔΣ PLLs | Lee, Yongsun; Kim, Mina; Seong, Taeho; Choi, Jaehyouk | ARTICLE | 1341 |
2018-02 | A Low-Integrated-Phase-Noise 27-30-GHz Injection-Locked Frequency Multiplier With an Ultra-Low-Power Frequency-Tracking Loop for mm-Wave-Band 5G Transceivers | Yoo, Seyeon; Choi, Seojin; Kim, Juyeop; Yoon, Heein; Lee, Yongsun; Choi, Jaehyouk | ARTICLE | 903 |
2018-04 | A Low-Jitter and Low-Reference-Spur Ring-VCO-Based Switched-Loop Filter PLL Using a Fast Phase-Error Correction Technique | Lee, Yongsun; Seong, Taeho; Yoo, Seyeon; Choi, Jaehyouk | ARTICLE | 923 |
2017-02-08 | A PVT-Robust -39dBc 1kHz-to-100MHz Integrated-Phase-Noise 29GHz Injection-Locked Frequency Multiplier with a 600μW Frequency-Tracking Loop Using the Averages of Phase Deviations for mm-Band 5G Transceivers | Yoo, Seyeon; Choi, Seojin; Kim, Juyeop; Yoon, Heein; Lee, Yongsun; Choi, Jaehyouk | CONFERENCE | 375 |
2016-06-15 | A PVT-Robust Low Reference Spur Injection-Locked Clock Multiplier Using a Voltage-Domain Period-Calibrating Loop | Lee, Yongsun; Yoon, Heein; Choi, Jaehyouk | CONFERENCE | 356 |
2018-01-22 | A switched-loop-filter PLL with fast phase-error correction technique | Lee, Yongsun; Seong, Taeho; Yoo, Seyeon; Choi, Jaehyouk | CONFERENCE | 269 |
2014-05 | A wideband dual-mode LC-VCO with a switchable gate-biased active core | Yoon, Heein; Lee, Yongsun; Kim, Jae Joon; Choi, Jaehyouk | ARTICLE | 1385 |
2018-02-14 | A −242dB FOM and −75dBc-reference-spur ring-DCO-based all-digital PLL using a fast phase-error correction technique and a low-power optimal-threshold TDC | Seong, Taeho; Lee, Yongsun; Yoo, Seyeon; Choi, Jaehyouk | CONFERENCE | 374 |
2018-02-14 | A −31dBc integrated-phase-noise 29GHz fractional-N frequency synthesizer supporting multiple frequency bands for backward-compatible 5G using a frequency doubler and injection-locked frequency multipliers | Yoon, Heein; Kim, Juyeop; Park, Suneui; Lim, Younghyun; Lee, Yongsun; Bang, Jooeun; Lim, Kyoohyun; Choi, Jaehyouk | CONFERENCE | 415 |
2020-02-18 | A −58dBc-Worst-Fractional-Spur and −234dB-FoMjitter, 5.5GHz Ring-DCO-Based Fractional-N DPLL Using a Time-Invariant-Probability Modulator, Generating a Nonlinearity-Robust DTC-Control Word | Seong, Taeho; Lee, Yongsun; Hwang, Chanwoong; Lee, Jeonghyun; Park, Hangi; Lee, Kyuho Jason; Choi, Jaehyouk | CONFERENCE | 506 |
2017-11 | An External Capacitor-Less Ultralow-Dropout Regulator Using a Loop-Gain Stabilizing Technique for High Power-Supply Rejection Over a Wide Range of Load Current | Lim, Younghyun; Lee, Jeonghyun; Lee, Yongsun; Song, Seong-Sik; Kim, Hong-Teuk; Lee, Ockgoo; Choi, Jaehyouk | ARTICLE | 869 |
2019-04 | An Ultra-Low-Jitter 22.8-GHz Ring-LC-Hybrid Injection-Locked Clock Multiplier With a Multiplication Factor of 114 | Choi, Seojin; Yoo, Seyeon; Lee, Yongsun; Jo, Yongwoo; Lee, Jeongyun; Lim, Younghyun; Choi, Jaehyouk | ARTICLE | 640 |
2018-01-22 | Injection-locked frequency multiplier with a continuous frequency-tracking loop for 5G transceivers | Yoo, Seyeon; Choi, Seojin; Kim, Juyeop; Yoon, Heein; Lee, Yongsun; Choi, Jaehyouk | CONFERENCE | 313 |
2020-02 | LOW-JITTER AND LOW-SPUR RING-OSCILLATOR-BASED PHASE-LOCKED LOOPS | Lee, Kyuho; Lee, Yongsun | Doctoral thesis | 735 |
2014-09 | Ultralow In-Band Phase Noise Injection-Locked Frequency Multiplier Design Based on Open-Loop Frequency Calibration | Seong, Taeho; Lee, Yongsun; Choi, Jaehyouk | ARTICLE | 1119 |