2025
Seunghyun Kim, Yang Azevedo Tavares, Sewon Lee, and Minjae Lee, "A 16.8 fJ/c-s 8b 500 MS/s Asynchronous Three-Comparator SAR ADC with Background Comparator-Swapping Offset Calibration in 28nm CMOS LPP," IEEE Access, Apr. 2025.
Changhwan Kim, Sewon Lee, and Minjae Lee , "Effective 10-Bit OLED Driver IC with 11-Bit DAC, Double Capacitor-Coupled Adder, and Offset Calibration for Enhanced Panel Driving" Journal of the Society for Information Display, May. 2025. (invited)
2024
Sewon Lee ,Hyein Kang , and Minjae Lee, "A 2.72-fJ/Conversion-Step 13-bit SAR ADC With Wide Common-Mode Complementary Split Pre-Amplifier Comparator and Grounded-Finger CDAC ", IEEE Journal of Solid-State Circuits, Dec.2024.
Yang Azevedo Tavares, and Minjae Lee, "Advancing Baud Rate Receivers: On Multiple CTLE Parameters Background Adaptation ", IEEE Access, vol 12, pages : 98466 - 98479, July. 2024.
2023
Siheon Seong , Sewon Lee , Sunghyun Bae and Minjae Lee, "A Fully Differential Direct Sampling Touch Screen Readout With a Touch Vector Calibration for Ultrathin Organic Light-Emitting Diode Display", IEEE Transactions on Industrial Electronics, page(s) : 1-10, November 2023.
Sunghyun Bae, Sewon Lee,Siheon Seong, Jiwon Woo, and Minjae Lee, "Asynchronous SAR ADC with self-timed track-and-hold", IET, Vol.59 No. 22, November 2023.
Sunghyun Bae, Sewon Lee,Siheon Seon,Sunwoo Kong, Bonghyuuk Park and Minjae Lee, "A 13-bit 1-MS/s SAR ADC with Completion-Aware Background Capacitor Mismatch Calibration", IEEE Access, Pages : 1-1, September 2023.
Junho Kim, Sinho Lee, Minjae Lee, "A 0.9V Self-Referenced Resistor-Based Temperature Sensor with -0.62/+0.81∘C (3σ) Inaccuracy", IEEE Transactions on Circuits and Systems II: Express Briefs, pages : 1- 1, july 2023.
Hyein Kang , Sewon Lee and Minjae Lee , "A Three-Step Tapered Bit Period SAR ADC Using Area-Efficient Clock Generation ", MDPI Electronics , vol 12, issue 8, March 2023.
Siheon Seong , Sewon Lee , Sunghyun Bae and Minjae Lee , "Self Capacitance Mismatch Calibration Technique for Fully-Differential Touch Screen Panel Self Capacitance Sensing System ", MDPI Electronics, Sensors 2023.
Junyong Lee, Gaim Jung, Seunghyun Kim and Minjae Lee, "An 8-bit 1.24 mW Sub-1ps DNL Sub-1V Supply Inverter-Based Phase Interpolator using a PVT-Tracking Adaptive-Bias Circuit" IEEE Transactions on Circuits and Systems II, February 2023.
2022
Yang Azevedo Tavares, Seunghyun Kim and Minjae Lee, "A Background M-channel Time-Interleaved ADC Calibration for Multilevel Modulations Based on the Probability Density Function Difference and a Greedy Algorithm ," IEEE Transaction on Signal Processing, vol. 70, August 2022
Minuk Heo, Sunghyun Bae, Ja-yol Lee, Cheonsu Kim, Minjae Lee, "A 3-3.7GHz Time-Difference Controlled Digital Fractional-N PLL with a High-Gain Time Amplifier for IoT Applications, " IEEE Access, vol 10, pages : 62471 - 62483, June 2022
Il Jeong, Junyong Lee, Sunghyun Bae and Minjae Lee, "A Three-stage Capacitor-less Low Noise LDO Regulator for DCO Phase Noise Reduction ," Electronics Letters, vol 58, issue 8, April 2022.
Inho Jung, Sunghyun Bae , Sinho Lee and Minjae Lee, "A 1V 10-bit highly linear and monotonic digital-to-time converter with 0.066-LSB DNL utilizing a glitch-free dual reset method and switchable supply regulation scheme ," Springer ALOG, vol 112, issue 1, July 2022.
Gaim Jung, Siheon Seong and Minjae Lee, "A PVT-Insensitive Optimal Phase Noise Point Tracking Bias Calibration in Class-C VCO ," MDPI Electronics, vol 11, issue 4, February 2022.
2021
Yang Azevedo Tavares, Seunghyun Kim and Minjae Lee, "A Greedy Search Approach for Time-Interleaved ADCs Calibration Based on NRZ Input Patterns," IEEE Transactions on Circuits and Systems-I,Regular Papers,18 November 2021. ( vol. 69, issue 3, Mar. 2022. )
Changjoo Park and Minjae Lee, "An 87% Power-Efficiency Hybrid of Voltage- and Current-Mode Line Driver with an Adaptive Amplitude Tuning," MDPI Electronics, vol 10, issue 15, July 2021.
Yang Azevedo Tavares and Minjae Lee, "A Foreground Calibration for M-Channel Time-Interleaved Analog-to-Digital Converters Based on Genetic Algorithm," IEEE Transactions on Circuits and Systems-I, vol. 68, issue 4, Apr. 2021.
2020
Changjoo Park, Yang Azevedo Tavares, Junyong Lee, Jiwon Wo and Minjae Lee, "5th-Order Continuous-Time Low-Pass Filter Achieving 56 MHz Bandwidth 30.5 dBm IIP3 with a Novel Low-Distortion Amplifier," IEEE Transactions on Circuits and System II , 19 November 2020.
Siheon Seong, Sewon Lee, Sunghyun Bae and Minjae Lee, "Alternating panel charge sharing technique for touch screen panel self-capacitance sensing IC," Electronics Letters, vol. 56, issue 21, Oct. 2020.
Hyungyu Ju and Minjae Lee. "A Hybrid Miller-Cascode Compensation for Fast Settling in Two-Stage Operational Amplifiers," IEEE Transactions on VLSI Systems, vol. 28, issue 8, Aug. 2020.
Yang Azevedo Tavares, Kang-Yoon Lee, Minjae Lee, "All-Digital Bandwidth Mismatch Calibration of TI-ADCs Based on Optimally Induced Minimization," IEEE Transactions on VLSI Systems, vol. 28, issue 5, May. 2020.
Hyungyu Ju, Sewon Lee, Minjae Lee, " A 12-bit 40-MS/s SAR ADC with Calibration-less Switched Capacitive Reference Driver," MDPI Electronics, vol. 9, issue 21, May. 2020.
2019
Junsoo Ko, Minjae Lee, "A 1.8 V 18.13 MHz Inverter-Based On-Chip RC Oscillator with Flicker Noise Suppression Using Logic Transition Voltage Feedback," MDPI Electronics, vol. 8, Issue 11, p.1353, Nov.2019.
Hyungyu Ju, Minjae Lee, "A 13-bit 3-MS/s asynchronous SAR ADC with a passive resistor based loop delay circuit," MDPI Electronics, vol. 8, Issue 3, p.262, Mar. 2019.
2018
Seung-Uk Baek, Se-Won Lee, Kang-Yoon Lee, Minjae Lee, "Scaled-down reference switching scheme for low-power SAR ADCs," Analog Integrated Circuits and Signal Processing, vol. 97, Issue 1, pp. 143-148, Oct. 2018.
Seonggeon Kim, Uihyun Yun, Jaehyuk Jang, Geunsu Seo, Jongjin Kang, Heung-No Lee, and Minjae Lee, "Reduced Computational Complexity Orthogonal Matching Pursuit Using a Novel Partitioned Inversion Technique for Compressive Sensing," MDPI Electronics, vol. 7, no. 9, Sept. 2018.
Seonggeon Kim, Kang-Yoon Lee, and Minjae Lee, "Modeling Random Clock Jitter Effect of High-Speed Current-Steering NRZ and RZ DAC," IEEE Transactions on Circuits and Systems-I: Regular Papers, vol. 65, pp. 2832-2841, Sept. 2018.
Seung-Uk Baek, Kang-Yoon Lee, and Minjae Lee, "Energy-efficient switching scheme for SAR ADC using zero-energy dual capacitor switching," Analog Integrated Circuits and Signal Processing, vol. 94, Issue 2, pp. 317-322, Feb. 2018.
2017
Hocheol Jeong, Jaehyun Kang, Kang-Yoon Lee and Minjae Lee,"A Simple Static Noise Margin Model of MOS CML Gate in CMOS Processes," Journal of Semiconductor and Technology Science(JSTS), VOL.17, NO.3, Jun. 2017.
2016
Junsoo Ko, Minuk Heo, Jayeol Lee, Cheon-Soo Kim and Minjae Lee, "Fractional spur reduction technique using 45° phase dithering in phase interpolator based all-digital phase-locked loop," Electronics Letters, Vol. 52, No. 23, pp. 1920-1922, Nov. 2016.
Hongjin Kim, Young-Jun Park, Ju-Hyun Park, Ho-Cheol Ryu, Young-Gun Pu, Minjae Lee, Keumcheol Hwang, Younggoo Yang and Kang-Yoon Lee, "A Wide Input Range, 95.4% Power Efficiency DC-DC Buck Converter with a Phase-locked Loop in 0.18 μm BCD," Journal of Power Electronics, Vol. 16, No. 6, pp. 2024-2034, Nov. 2016.
Seonggeon Kim, Jaehyun Kang and Minjae Lee, "A 12 bit 250 MS/s 28 mW +70 dB SFDR non-50% RZ DAC in 0.11 μm CMOS using controllable RZ window for wireless SoC integration," Microelectronics Journal, vol. 56, pp. 46-56, Oct. 2016.
Hyungyu Ju and Minjae Lee, "A 1.1V 10-bit 62MS/s pipeline ADC with two-step non-overlapping clock generation for multi I-Q channel RF receivers," Analog Integrated Circuits and Signal Processing, Vol. 87, Issue 3, pp. 341-352, June. 2016.
Dongju Lee, Hocheol Jeong and Minjae Lee, "Design of 12-phase, 2-stage Harmonic Rejection Mixer for TV Tuners," Radioengineering, Vol. 25, No. 2, pp. 305-311, June. 2016.
2015
Dongju Lee and Minjae Lee, "Low Flicker Noise, Odd-Phase Master LO Active Mixer Using a Low Switching Frequency Scheme," IEEE J. Solid-State Circuits, Vol. 50, No. 10, pp. 2281-2293, Oct. 2015.
2014
Minuk Heo, Daehyeon Kwon and Minjae Lee, "Low-power programmable high-gain time difference amplifier with regeneration time control," Electron. Lett., vol. 50, No. 16, pp. 1129-1131, July. 2014.
Jintae Kim, Minjae Lee, "A Semi-Blind Digital-Domain Calibration of Pipelined A/D Converters via Convex Optimization," IEEE Transactions on VLSI Systems, Vol. 23, No. 7, July. 2015.
Hyeonho Song and Minjae Lee, "Asymmetric monotonic switching scheme for energy-efficient SAR ADCs," IEICE Electronics Express, Vol.11, No.12, 1-5. June. 2014.
2013
Hyeonho Song, Jintae Kim and Minjae Lee,“A low power reference buffer with high PSRR and low crosstalk for time-interleaved ADCs," IEICE Electronics Express Vol. 10, No. 16, pp. 20130482, Aug. 2013.
2012
M. Lee,“A 20GHz variability-aware robust, high-speed and low-power MOS CML latch,” IEICE Electronics Express Vol. 9, No. 14, pp. 1214-1220, Aug. 2012.
2011
M. Lee,“Design of a CMOS Constant Switching Current Flipflop,” Electron. Lett., No 47, vol 16, pp. 909-910, Aug. 2011.
2008
M. Lee, M.E. Heidari and A. A. Abidi, “A Low Noise, Wideband Digital Phase-Locked Loop based on a Coarse-Fine Time-to-Digital Converter with Subpicosecond Resolution,” IEEE J. Solid-State Circuits, Oct. 2008.
M.E. Heidari, M. Lee and A. A. Abidi, “All-digital Outphasing Modulator for a Software-Defined Transmitter,” IEEE J. Solid-State Circuits, April. 2008.
M. Lee and A. A. Abidi, “A 9b 1.25 ps Resolution Coarse-Fine Time-to-Digital Converter in 90 nm CMOS that Amplifies a Time Residue,” IEEE J. Solid-State Circuits, April. 2008.
2006
R. Bagheri, A. Mirzaei, S. Chehrazi, M. E. Heidari, M. Lee, M. Mikhemar, W. Tang and A. A. Abidi, “An 800-MHz-6-GHz Software-Defined Wireless Receiver in 90-nm CMOS,” IEEE J. Solid-State Circuits, vol. 41, pp. 2860-2876,Dec. 2006.
R. Bagheri, A. Mirzaei, S. Chehrazi, M. E. Heidari, M. Lee, M. Mikhemar, W. Tang and A. A. Abidi, “Software-defined radio receiver: dream to reality,” IEEE Communications Magazine, vol. 44, no.8 pp. 111-118, Aug. 2006.
R. Bagheri, A. Mirzaei, S. Chehrazi, M. E. Heidari, M. Lee, M. Mikhemar, W. Tang and A. A. Abidi, “An 800-MHz-6-GHz Sofware-Defined Wireless Receiver in 90-nm CMOS,” in Nikkei Electronics, May. 2006, pp.105-114.
Changhwan Kim, Sewon Lee and Minjae Lee , "Effective 10-Bit OLED Driver IC with 11-Bit DAC, Double Capacitor-Coupled Adder, and Offset Calibration for Enhanced Panel Driving " SID 2025, May. 2025. (Distinguished Paper Award)
Sewon Lee, Hyein Kang and Minjae Lee , "A 2.72fJ/conv 13b 2MS/s SAR ADC using Dynamic Capacitive Comparator with Wide Input Common Mode" ISSCC 2024, Feb. 2024.
Yang Azevedo Tavares and Minjae Lee, "A Foreground Calibration for M-Channel Time-Interleaved Analog-to-Digital Converters Based on Genetic Algorithm," 2022 IEEE International Symposium on Circuits & Systems. May 28 through June 1, 2022.
Minuk Heo, Sunghyun Bae, Jayeol Lee, Cheonsu Kim, Minjae Lee, "Quantizer-less Proportional Path Fractional-N Digital PLL with a Low-Power High-Gain Time Amplifier and Background Multi-Point Spur Calibration," 43rd European Solid-State Circuits Conference(ESSCIRC), Sep. 2017, pp.147-150
Dongju Lee and Minjae Lee,"Image Cancellation Study on Odd Cascode LO-Gating Active Mixer," 14th RF/Analog circuit workshop, Sep. 2014.
Minuk Heo, Daehyeon Kwon and Minjae Lee, "Timing Jitter Measurement of Time Difference Amplifier," 14th RF/Analog circuit workshop, Sep. 2014.
Seonggeon Kim, Jaehyun Kang and Minjae Lee, " A 12 bit 250 MS/s 28 mW +70 dB SFDR DAC in 0.11 μm CMOS Using Controllable RZ Window for Wireless SoC Integration," IEEE Asian Solid-State Circuits Conference (A-SSCC), Nov. 2014, pp. 93-96.
Dongju Lee and Minjae Lee, "A 3kHz Flicker Noise Corner, Odd-Phase Active Mixer for Direct Conversion Receivers," IEEE European Solid-State Circuits Conference (ESSCIRC), Sep. 2014, pp231-234.
M. Lee and A. A. Abidi, “A Low Noise, Wideband Digital Phase-Locked Loop based on A New Time-to-Digital Converter with Subpicosecond Resolution,” Symp. on VLSI Circuits, June 2008.
M. E. Heidari, M. Lee and A. A. Abidi, ”All Digital Outphasing Modulator for Software Defined Radio,” Symp. on VLSI Circuits, June 2008.
C.-Y. Cha, M. Lee, J. Lee, T. Kim, “Digital Frequency Detector based on Multiphase Ring Oscillator,” Symp. on VLSI Circuits, June 2008.
M. Lee and A. A. Abidi, “A 9b 1.25 ps Resolution Coarse-Fine Time-to-Digital Converter in 90 nm CMOS that Amplifies a Time Residue,” Symp. on VLSI Circuits, June 2007, pp. 168-169.
R. Bagheri, A. Mirzaei, S. Chehrazi, M. E. Heidari, M. Lee, M. Mikhemar, W. Tang and A. A. Abidi, “An 800-MHz-6-GHz Sofware-Defined Wireless Receiver in 90-nm CMOS,” in IEEE ISSCC 2006 dig. Tech. Papers, San Francisco, CA, 2006, pp.1932-1941, p. 26.6.
2025
[Society for Information Display Distinguished Paper Award ] Changhwan Kim, Sewon Lee and Minjae Lee, "Effective 10-Bit OLED Driver IC with 11-Bit DAC, Double Capacitor-Coupled Adder, and Offset Calibration for Enhanced Panel Driving," Display Week 2025 Technical Symposium, May. 2025
2020
[IEEE CASS Seoul Chapter 우수논문상 ] Siheon Seong, Sewon Lee, Sunghyun Bae and Minjae Lee, "Alternating Panel Charge Sharing Touch Screen Panel Sensing IC," 제20회 RF/아날로그 회로 워크샵, Sep. 2020
[ 2020 ISOCC Best Posters Award] Yang A. Tavares, Sewon Lee, Seunghyun Kim and Minjae Lee, "Calibration of M-Channel Time-Interleaved Analog-to-Digital Converters Based on Curve Fitting," ISOCC 2020, October. 2020.
2018
[ 2018 Most Popular ISOCC Posters Award ] Yang A. Tavares, Diomadson R. Belfort, Hyungyu Ju, Se-Won Lee, Gaim Jung, and Minjae Lee,"A Hardware Reliable All-Digital Time-Interleaved ADC Bandwidth Calibration," ISOCC 2018, Nov. 2018.
2019
이민재, 백승욱, "연속 근사 레지스터 아날로그 디지털 변환기 및 그것의 동작," KR, 출원번호 102017310, 2019.
Min-Jae Lee and Min-Uk Heo, "Low power time amplifier and operating method thereof," U.S.Patent No. 10,263,404 B2. 18 June. 2019.
이민재, 백승욱, "연속 근사 레지스터 아날로그 디지털 변환기 및 그것의 동작", KR, 출원번호 101986699, 2019.
이민재, 송현호, "축차근사형 아날로그 디지털 변환장치 및 방법," KR, 출원번호 101975002, 2019.
2018
이민재, 허민욱, "저전력 시간 증폭기 및 그의 동작 방법," KR, 출원번호 101880491, 2018.
2016
Min-Jae Lee, Seong-Geon Kim, and Jae-Hyun Kang, "Digital to analog converter, unit for the same, and method for using the same." U.S. Patent No. 9,520,892. 13 Dec. 2016.
이민재, 이동주, "믹서 및 믹싱 방법," KR, 출원번호 101654639, 2016.
이민재, 이동주, "Mixer and mixing method," U.S. Patent No. 9,425,906 B2. 23 Aug. 2016.
이민재, 김성근, 강재현, "디지털 아날로그 컨버터, 및 디지털 아날로그 컨버터의 유닛", KR, 출원번호 1020140191948, 2016.