Compact modeling of BJT self-heating in SPICE. - David T. Zweidinger; Sang-Gug Lee 001; Robert M. Fox (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1993)

The effects of BJT self-heating on circuit behavior. - Robert M. Fox; Sang-Gug Lee 001; David T. Zweidinger (IEEE J. Solid State Circuits, 1993)

A complementary Colpitts oscillator based on 0.35 μm CMOS technology. - Choong-Yul Cha; Sang-Gug Lee 001 (ESSCIRC, 2003)

Low power quadrature VCO with the back-gate coupling. - Hye-Ryoung Kim; Seung-Min Oh; Sungdo Kim; Young Sik Youn; Sang-Gug Lee 001 (ESSCIRC, 2003)

A 900MHz low voltage low power highly linear mixer for direct-conversion receivers. - Moon-Su Yang; Hye-Ryoung Kim; Sang-Gug Lee 001 (ICECS, 2003)

Low-voltage low-power high dB-linear CMOS exponential function generator using highly-linear V-I converter. - Quoc-Hoang Duong; Trung-Kien Nguyen; Sang-Gug Lee 001 (ISLPED, 2003)

A 5.2-GHz LNA in 0.35-μm CMOS utilizing inter-stage series resonance and optimizing the substrate resistance. - Choong-Yul Cha; Sang-Gug Lee 001 (IEEE J. Solid State Circuits, 2003)

Radio specifications of double conversion tuner for cable modem. - Choong-Yul Cha; Jeongki Choi; Hyo-Seok Kwon; Sang-Gug Lee 001 (IEEE Trans. Consumer Electron., 2003)

A 35 dB-linear exponential function generator for VGA and AGC applications. - Quoc-Hoang Duong; Sang-Gug Lee 001 (ASP-DAC, 2004)

Burst-mode transmitter for 1.25Gb/s Ethernet PON applications [passive optical networks]. - Yong-Hun Oh; Quan Le; Sang-Gug Lee 001; Nguyen Duy Bien Yen; Ho-Yong Kang; Tae-Whan Yoo (ESSCIRC, 2004)

A high performance CMOS direct down conversion mixer for UWB system. - Anh-Tuan Phan; Chang-Wan Kim; Min-Suk Kang; Sang-Gug Lee 001; Chun-Deok Su; Hoon-Tae Kim (ACM Great Lakes Symposium on VLSI, 2004)

Ultra low-voltage low-power exponential voltage-mode circuit with tunable output range. - Quoc-Hoang Duong; Trung-Kien Nguyen; Sang-Gug Lee 001 (ISCAS (2), 2004)

CMOS exponential current-to-voltage circuit based on newly proposed approximation method. - Quoc-Hoang Duong; Trung-Kien Nguyen; Sang-Gug Lee 001 (ISCAS (2), 2004)

A power constrained simultaneous noise and input matched low noise amplifier design technique. - Trung-Kien Nguyen; Moon-Su Yang; Sang-Gug Lee 001 (ISCAS (4), 2004)

A very low-power quadrature VCO with back-gate coupling. - Hye-Ryoung Kim; Choong-Yul Cha; Seung-Min Oh; Moon-Su Yang; Sang-Gug Lee 001 (IEEE J. Solid State Circuits, 2004)

A burst-mode receiver for 1.25-Gb/s ethernet PON with AGC and internally created reset signal. - Quan Le; Sang-Gug Lee 001; Yong-Hun Oh; Ho-Yong Kang; Tae-Whan Yoo (IEEE J. Solid State Circuits, 2004)

An inductance enhancement technique and its application to a shunt-peaked 2.5 Gb/s transimpedance amplifier design. - Yong-Hun Oh; Sang-Gug Lee 001 (IEEE Trans. Circuits Syst. II Express Briefs, 2004)

A novel 1.5V DC offset cancellation CMOS down conversion mixer. - Anh-Tuan Phan; Chang-Wan Kim; Moon-Suk Jung; Yun-A Shim; Jae-Yung Kim; Sang-Gug Lee 001 (ISCAS (4), 2005)

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 High Performance CMOS Direct Down Conversion Mixer for UWB System. - Tuan-Anh Phan; Chang-Wan Kim; Yun-A Shim; Sang-Gug Lee 001 (IEICE Trans. Electron., 2005)

Frequency-Controllable Image Rejection Down CMOS Mixer. - Tuan-Anh Phan; Chang-Wan Kim; Yun-A Shim; Sang-Gug Lee 001 (IEICE Trans. Electron., 2005)

An ultra-wideband CMOS low noise amplifier for 3-5-GHz UWB system. - Chang-Wan Kim; Min-Suk Kang; Phan Tuan Anh; Hoon-Tae Kim; Sang-Gug Lee 001 (IEEE J. Solid State Circuits, 2005)

A CMOS burst-mode optical transmitter for 1.25-Gb/s ethernet PON applications. - Yong-Hun Oh; Sang-Gug Lee 001; Quan Le; Ho-Yong Kang; Tae-Whan Yoo (IEEE Trans. Circuits Syst. II Express Briefs, 2005)

An all CMOS 743 MHz variable gain amplifier for UWB systems. - Quoc-Hoang Duong; T.-J. Park; E.-J. Kim; Sang-Gug Lee 001 (ISCAS, 2006)

Low power high linearity transmitter front-end for 900 MHz Zigbee applications. - Viet-Hoang Le; Trung-Kien Nguyen; Seok-Kyun Han; Sang-Gug Lee 001; S. B. Hyun (ISCAS, 2006)

Low-voltage, low-power CMOS operation transconductance amplifier with rail-to-rail differential input range. - Trung-Kien Nguyen; Sang-Gug Lee 001 (ISCAS, 2006)

A sub-mA, high-gain CMOS low-noise amplifier for 2.4 GHz applications. - Trung-Kien Nguyen; Sang-Gug Lee 001 (ISCAS, 2006)

Gain mismatch-balanced I/Q down-conversion mixer for UWB. - Tuan-Anh Phan; Chang-Wan Kim; Sang-Gug Lee 001; T.-J. Park; E.-J. Kim (ISCAS, 2006)

A CMOS Multi-LO Frequency Synthesizer Block for MB-OFDM UWB Systems. - Chang-Wan Kim; Bong Hyuk Park; Seung-Sik Lee; Sang-Sung Choi; Sang-Gug Lee 001 (VTC Fall, 2006)

A 95-dB linear low-power variable gain amplifier. - Quoc-Hoang Duong; Quan Le; Chang-Wan Kim; Sang-Gug Lee 001 (IEEE Trans. Circuits Syst. I Regul. Pap., 2006)

Low-Power CMOS Energy Detection Transceiver for UWB Impulse Radio System. - Tuan-Anh Phan; Vladimir Krizhanovskii; Sang-Gug Lee 001 (CICC, 2007)

A fully integrated CMOS burst-mode upstream transmitter for gigabit-class passive optical network applications. - Yong-Hun Oh; Ho-Yong Kang; Kyoohyun Lim; Jongsik Kim; Sang-Gug Lee 001 (ESSCIRC, 2007)

4.7pJ/pulse 7th Derivative Gaussian Pulse Generator for Impulse Radio UWB. - Tuan-Anh Phan; Vladimir Krizhanovskii; Seok-Kyun Han; Sang-Gug Lee 001; Hyun-seo Oh; Nae-Soo Kim (ISCAS, 2007)

A CMOS Burst-Mode TIA with Step AGC and Selective Internally Created Reset for 1.25Gb/s EPON. - Quan Le; Sang-Gug Lee 001; Ho-Yong Kang; Sang-Hoon Chang (ISSCC, 2007)

UWB and mm-Wave Communications Systems. - Sang-Gug Lee 001; Ranjit Gharpurey (ISSCC, 2007)

Message from the Organizers of the Workshop on Networked RFID. - Osamu Nakamura; Hao Min; Sang-Gug James Lee (SAINT Workshops, 2007)

360-µW/1 mW Complementary Cross-Coupled Differential Colpitts LC-VCO/QVCO in 0.25-µm CMOS. - Jong-Phil Hong; Seok-Ju Yun; Sang-Gug Lee 001 (IEICE Trans. Electron., 2007)

A 900 MHz RF Transmitter with Output LO Suppression. - Viet-Hoang Le; Trung-Kien Nguyen; Seok-Kyun Han; Sang-Gug Lee 001 (IEICE Trans. Electron., 2007)

All CMOS Low-Power Wide-Gain Range Variable Gain Amplifiers. - Quoc-Hoang Duong; Chang-Wan Kim; Sang-Gug Lee 001 (IEICE Trans. Electron., 2008)

A 90 dB 1.32 mW 1.2 V 0.13 mm2 Two-Stage Variable Gain Amplifier in 0.18 µm CMOS. - Quoc-Hoang Duong; Jeong-Seon Lee; Sang-Hyun Min; Joong-Jin Kim; Sang-Gug Lee 001 (IEICE Trans. Electron., 2008)

An LC-VCO Strongly Suppresses the AM-FM Conversion Caused by Varactor. - So Bong Shin; Sang-Gug Lee 001 (IEICE Trans. Electron., 2008)

A Complementary-Coupled CMOS LC Quadrature Oscillator. - Seok-Ju Yun; Dae-Young Yoon; Sang-Gug Lee 001 (IEICE Trans. Electron., 2008)

Energy-Efficient Low-Complexity CMOS Pulse Generator for Multiband UWB Impulse Radio. - Anh-Tuan Phan; Jeong-Seon Lee; Vladimir Krizhanovskii; Quan Le; Seok-Kyun Han; Sang-Gug Lee 001 (IEEE Trans. Circuits Syst. I Regul. Pap., 2008)

A 2.85mW 0.12mm2 1.0V 11-bit 20-MS/s algorithmic ADC in 65nm CMOS. - Jae-Won Nam; Young-Deuk Jeon; Young-Kyun Cho; Sang-Gug Lee 001; Jong-Kee Kwon (ESSCIRC, 2009)

Low-power Sliding Correlation CMOS UWB Pulsed Radar Receiver for Motion Detection. - Anh-Tuan Phan; Ronan Farrell; Min-Suk Kang; Seok-Kyun Han; Sang-Gug Lee 001 (ISCAS, 2009)

380 MHz Low-power Sharp-rejection Active-RC LPF for IEEE 802.15.4a UWB WPAN. - Anh-Tuan Phan; Ronan Farrell; Jeong-Seon Lee; Sang-Gug Lee 001 (ISCAS, 2009)

A Current-reused Low-power Four-quadrant Multiplier with Single-ended Current Output. - Sigit Yuwono; Jeong-Yul Bae; Tuan-Anh Phan; Seok-Kyun Han; Sang-Gug Lee 001 (ISCAS, 2009)

A Fully On-Chip Gm-Opamp-RC Based Preamplifier for Electret Condenser Microphones. - Huy-Binh Le; Seung-Tak Ryu; Sang-Gug Lee 001 (IEICE Trans. Electron., 2009)

Low Phase NoiseGm-Boosted Differential Gate-to-Source Feedback Colpitts CMOS VCO. - Jong-Phil Hong; Sang-Gug Lee 001 (IEEE J. Solid State Circuits, 2009)

A Binary-Weighted Switching and Reconfiguration-Based Programmable Gain Amplifier. - Huy-Hieu Nguyen; Hoai-Nam Nguyen; Jeong-Seon Lee; Sang-Gug Lee 001 (IEEE Trans. Circuits Syst. II Express Briefs, 2009)

A 50-300-MHz low power and high linear active RF tracking filter for digital TV tuner ICs. - Yang Sun; Chang-Jin Jeong; In-Young Lee; Jeong-Seon Lee; Sang-Gug Lee 001 (CICC, 2010)

A high-linearity low-noise reconfiguration-based programmable gain amplifier. - Huy-Hieu Nguyen; Hoai-Nam Nguyen; Jeong-Seon Lee; Sang-Gug Lee 001 (ESSCIRC, 2010)

Low-power high-linearity 0.13-µm CMOS WCDMA receiver front-end. - Anh-Tuan Phan; Seok-Kyun Han; Sang-Gug Lee 001 (ICECS, 2010)

Yield-Ensuring DAC-Embedded Opamp Design Based on Accurate Behavioral Model Development. - Yeong-Shin Jang; Hoai-Nam Nguyen; Seung-Tak Ryu; Sang-Gug Lee 001 (IEICE Trans. Electron., 2010)

Low Voltage Current-Reused Pseudo-Differential Programmable Gain Amplifier. - Huy-Hieu Nguyen; Jeong-Seon Lee; Sang-Gug Lee 001 (IEICE Trans. Electron., 2010)

An IF Bandpass Filter Based on a Low Distortion Transconductor. - Ha Le-Thai; Huy-Hieu Nguyen; Hoai-Nam Nguyen; Hong-Soon Cho; Jeong-Seon Lee; Sang-Gug Lee 001 (IEEE J. Solid State Circuits, 2010)

A low power discrete-time receiver for triple-band FM/T-DMB/DAB system-on-chip. - Hoai-Nam Nguyen; Seung-Hwan Jung; Byung-Hun Min; Young-Jae Lee; Sang-Gug Lee 001; Yun Seong Eo; Hyun-Kyu Yu (ESSCIRC, 2011)

A high linear low flicker noise 25% duty cycle LO I/Q mixer for a FM radio receiver. - Jae-Seung Lee; Chang-Jin Jeong; Yeong-Shin Jang; In-Young Lee; Sang-Sung Lee; Seok-Kyun Han; Sang-Gug Lee 001 (ISCAS, 2011)

A high efficiency piezoelectric energy harvesting system. - Xuan-Dien Do; Chang-Jin Jeong; Huy-Hieu Nguyen; Seok-Kyun Han; Sang-Gug Lee 001 (ISOCC, 2011)

A Low Power Driver Amplifier for Unlicensed 2.4 GHz Band. - Viet-Hoang Le; Seok-Kyun Han; Sang-Gug Lee 001 (IEICE Trans. Electron., 2011)

A Wideband Noise Cancelling Low Noise Amplifier for 3GPP LTE Standard. - Viet-Hoang Le; Hoai-Nam Nguyen; Sun-a Kim; Seok-Kyun Han; Sang-Gug Lee 001 (IEICE Trans. Electron., 2011)

An Analog Controlled Variable Gain LNA with Tunable Frequency Bands. - Yun-A Shim; Sang-Gug Lee 001 (IEICE Trans. Electron., 2011)

A Low Power and Low Noise On-Chip Active RF Tracking Filter for Digital TV Tuner ICs. - Yang Sun; Chang-Jin Jeong; In-Young Lee; Sang-Gug Lee 001 (IEICE Trans. Electron., 2011)

Correction to "An IF Bandpass Filter Based on a Low Distortion Transconductor" [Dec 10 2634-2646]. - Ha Le-Thai; Huy-Hieu Nguyen; Hoai-Nam Nguyen; Hong-Soon Cho; Jeong-Seon Lee; Sang-Gug Lee 001 (IEEE J. Solid State Circuits, 2011)

A Long Reset-Time Power-On Reset Circuit With Brown-Out Detection Capability. - Huy-Binh Le; Xuan-Dien Do; Sang-Gug Lee 001; Seung-Tak Ryu (IEEE Trans. Circuits Syst. II Express Briefs, 2011)

A Passive Mixer for a Wideband TV Tuner. - Viet-Hoang Le; Hoai-Nam Nguyen; In-Young Lee; Seok-Kyun Han; Sang-Gug Lee 001 (IEEE Trans. Circuits Syst. II Express Briefs, 2011)

A quantization noise cancelling fractional-N type ΔΣ frequency synthesizer using SAR-based DAC gain calibration. - Seungjin Kim; In-Young Lee; Joo-Myoung Kim; Sang-Gug Lee 001 (CICC, 2012)

Challenges and directions of ultra low energy wireless sensor nodes for biosignal monitoring. - Seong Joong Kim; Bumman Kim; Sangwook Nam; Dejan Markovic; Sang-Gug Lee 001; Jaesup Lee (ISCAS, 2012)

Low power consumption for detecting current zero of synchronous DC-DC buck converter. - Xuan-Dien Do; Seok-Kyun Han; Sang-Gug Lee 001 (ISOCC, 2012)

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 Single-Supply 84 dB DR Audio-Band ADC for Compact Digital Microphones. - Huy-Binh Le; Sang-Gug Lee 001; Seung-Tak Ryu (IEICE Trans. Electron., 2012)

A New Approach to Low-Power and Low-Latency Wake-Up Receiver System for Wireless Sensor Nodes. - Dae-Young Yoon; Chang-Jin Jeong; Justin Cartwright; Ho-Yong Kang; Seok-Kyun Han; Nae-Soo Kim; Dong Sam Ha; Sang-Gug Lee 001 (IEEE J. Solid State Circuits, 2012)

A Two-Channel Asynchronous SAR ADC With Metastable-Then-Set Algorithm. - Sang-Hyun Cho; Chang-Kyo Lee; Sang-Gug Lee 001; Seung-Tak Ryu (IEEE Trans. Very Large Scale Integr. Syst., 2012)

Calibration technique for sensitivity variation in RVDT type accelerator position sensor. - Jong-Kyoung Lee; Young-Hun Ko; Sang-Gug Lee 001 (I2MTC, 2013)

A low power low inaccuracy linearity-compensated temperature sensor for attachable medical devices. - Oh-Yong Jung; Seungjin Kim; Seok-Kyun Han; Sang-Gug Lee 001 (ISCAS, 2013)

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)

A Low-Noise Four-Stage Voltage-Controlled Ring Oscillator in Deep-Submicrometer CMOS Technology. - Joo-Myoung Kim; Seungjin Kim; In-Young Lee; Seok-Kyun Han; Sang-Gug Lee 001 (IEEE Trans. Circuits Syst. II Express Briefs, 2013)

Maximum power transfer considering limited available input power in ultrasonic wireless power transfer for implanted medical devices. - Ngan K. Hoang; Jeong-Seon Lee; Sang-Gug Lee 001 (ICCE-Berlin, 2014)

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)

Development of low-complexity all-digital frequency locked loop as 500 MHz reference clock generator for field-programmable gate array. - Sigit Yuwono; Seok-Kyun Han; Giwan Yoon; Han-Jin Cho; Sang-Gug Lee 001 (IET Circuits Devices Syst., 2014)

A High-Sensitivity and Low-Walk Error LADAR Receiver for Military Application. - Hong-Soon Cho; Chung-Hwan Kim; Sang-Gug Lee 001 (IEEE Trans. Circuits Syst. I Regul. Pap., 2014)

A 45-dB, 150-Hz, and 18-mW Touch Controller for On-Cell Capacitive TSP Systems. - Yeong-Shin Jang; Young-Hun Ko; Jung-Min Choi; Hyung-Seog Oh; Sang-Gug Lee 001 (IEEE Trans. Circuits Syst. II Express Briefs, 2014)

A 72μW, 2.4GHz, 11.7% tuning range, 212dBc/Hz FoM LC-VCO in 65nm CMOS. - Joo-Myoung Kim; Jae-Seung Lee; Sun-a Kim; Taeik Kim; Hojin Park; Sang-Gug Lee 001 (CICC, 2015)

13.1 A 227pJ/b -83dBm 2.4GHz multi-channel OOK receiver adopting receiver-based FLL. - Jae-Seung Lee; Joo-Myoung Kim; Jaesup Lee; Seok-Kyun Han; Sang-Gug Lee 001 (ISSCC, 2015)

An active rectifier with optimal flip timing for the internal capacitor for piezoelectric vibration energy harvesting. - Liao Wu; Dong Sam Ha; Jishun Kuang; Xuan-Dien Do; Sang-Gug Lee 001 (MWSCAS, 2015)

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 2.2 mW, 40 dB Automatic Gain Controllable Low Noise Amplifier for FM Receiver. - Chang-Jin Jeong; Yang Sun; Seok-Kyun Han; Sang-Gug Lee 001 (IEEE Trans. Circuits Syst. I Regul. Pap., 2015)

A Self-Powered High-Efficiency Rectifier With Automatic Resetting of Transducer Capacitance in Piezoelectric Energy Harvesting Systems. - Xuan-Dien Do; Huy-Hieu Nguyen; Seok-Kyun Han; Dong Sam Ha; Sang-Gug Lee 001 (IEEE Trans. Very Large Scale Integr. Syst., 2015)

A 2.4GHz ternary sequence spread spectrum OOK transceiver with harmonic spur suppression and dual-mode detection architecture for ULP wearable devices. - Seong Joong Kim; Chang Soon Park; Youngkyu Kim; Seok-Ju Yun; Young-Jun Hong; Sang-Gug Lee 001 (VLSI Circuits, 2016)

0.5 and 1.5 THz monolithic imagers in a 65 nm CMOS adopting a VCO-based signal processing. - Sun-a Kim; Kyoung-Yong Choi; Dae-Woong Park; Joo-Myoung Kim; Seok-Kyun Han; Sang-Gug Lee 001 (A-SSCC, 2017)

The Evolution of Channelization Receiver Architecture: Principles and Design Challenges. - Jusung Kim; Dzuhri Radityo Utomo; Anjana Dissanayake; Seok-Kyun Han; Sang-Gug Lee 001 (IEEE Access, 2017)

A 2.4-GHz Ternary Sequence Spread Spectrum OOK Transceiver for Reliable and Ultra-Low Power Sensor Network Applications. - Seong Joong Kim; Chang Soon Park; Sang-Gug Lee 001 (IEEE Trans. Circuits Syst. I Regul. Pap., 2017)

A Self-Powered and Optimal SSHI Circuit Integrated With an Active Rectifier for Piezoelectric Energy Harvesting. - Liao Wu; Xuan-Dien Do; Sang-Gug Lee 001; Dong Sam Ha (IEEE Trans. Circuits Syst. I Regul. Pap., 2017)

A 2.4GHz, -102dBm-sensitivity, 25kb/s, 0.466mW interference resistant BFSK multi-channel sliding-IF ULP receiver. - Oh-Yong Jung; Hyun-Gi Seok; Anjana Dissanayake; Sang-Gug Lee 001 (ASP-DAC, 2018)

A 230-260GHz wideband amplifier in 65nm CMOS based on dual-peak Gmax-core. - Dae-Woong Park; Dzuhri Radityo Utomo; Jong-Phil Hong; Sang-Gug Lee 001 (ASP-DAC, 2018)

Ka-band RF Front-End with 5dB NF and 16dB conversion gain in 45nm CMOS technology. - Hyunki Jung; Dzuhri Radityo Utomo; Saebyeok Shin; Seok-Kyun Han; Sang-Gug Lee 001; Jusung Kim (ISOCC, 2018)

A 22.8-to-32.4 GHz Injection-locked Frequency Tripler with Source Degeneration. - Saebyeok Shin; Dzuhri Radityo Utomo; Hyunki Jung; Seok-Kyun Han; Sang-Gug Lee 001; Jusung Kim (ISOCC, 2018)

A Colpitts Oscillator-Based Self-Starting Boost Converter for Thermoelectric Energy Harvesting With 40-mV Startup Voltage and 75% Maximum Efficiency. - Baek-Min Lim; Jeong-Il Seo; Sang-Gug Lee 001 (IEEE J. Solid State Circuits, 2018)

A 45-µW, 162.1-dBc/Hz FoM, 490-MHz Two-Stage Differential Ring VCO Without a Cross-Coupled Latch. - Oh-Yong Jung; Hyun-Gi Seok; Anjana Dissanayake; Sang-Gug Lee 001 (IEEE Trans. Circuits Syst. II Express Briefs, 2018)

Three-Phase Boost-Converter Based PMIC for Thermal Electric Generator Application. - Thinh Tran-Dinh; Hieu Minh Pham; Tien-Lam Vu; Loan Pham-Nguyen; Sang-Gug Lee 001 (APCCAS, 2019)

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 230-260-GHz Wideband and High-Gain Amplifier in 65-nm CMOS Based on Dual-Peak $G_{{ mathrm{max}}}$ -Core. - Dae-Woong Park; Dzuhri Radityo Utomo; Bao Huu Lam; Sang-Gug Lee 001; Jong-Phil Hong (IEEE J. Solid State Circuits, 2019)

Low-Power PMIC with Two Hybrid Converters for TEG Application. - Thinh Tran-Dinh; Hieu Minh Pham; Bac Phuong Dao; Hien Hoang-Thi; Loan Pham-Nguyen; Sang-Gug Lee 001; Hanh-Phuc Le (APCCAS, 2020)

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)

29.7 A 490GHz 32mW Fully Integrated CMOS Receiver Adopting Dual-Locking FLL. - Kyung-Sik Choi; Dzuhri Radityo Utomo; Keun-Mok Kim; Byeonghun Yun; Sang-Gug Lee 001; In-Young Lee (ISSCC, 2020)

A 247 and 272 GHz Two-Stage Regenerative Amplifiers in 65 nm CMOS with 18 and 15 dB Gain Based on Double-Gmax Gain Boosting Technique. - Dae-Woong Park; Dzuhri Radityo Utomo; Jong-Phil Hong; Kristof Vaesen; Piet Wambacq; Sang-Gug Lee 001 (VLSI Circuits, 2020)

A 293/440 GHz Push-Push Double Feedback Oscillators with 5.0/-3.9 dBm Output Power and 2.9/0.6 % DC-to-RF Efficiency in 65 nm CMOS. - Dzuhri Radityo Utomo; Dae-Woong Park; Byeonghun Yun; Sang-Gug Lee 001 (VLSI Circuits, 2020)

An 80 MHz Bandwidth and 26.8 dBm OOB IIP3 Transimpedance Amplifier With Improved Nested Feedforward Compensation and Multi-Order Filtering. - Hyunki Jung; Dzuhri Radityo Utomo; Seok-Kyun Han; Jusung Kim; Sang-Gug Lee 001 (IEEE Trans. Circuits Syst., 2020)

A Real-Time Entropy Estimation Algorithm for Lithium Batteries Based on a Combination of Kalman Filter and Nonlinear Observer. - Guillaume Thenaisie; Cheol-Heui Park; Sang-Gug Lee 001 (IEEE Trans. Ind. Electron., 2020)

0.6 V 8.1/0.2µW Ultra-Low-Power Logarithmic Power Detectors Employing Subthreshold MOS Transistors. - Keun-Mok Kim; Hyun-Gi Seok; Jeong-Il Seo; Kyung-Sik Choi; Sang-Gug Lee 001 (A-SSCC, 2021)

245/243GHz, 9.2/10.5dBm Saturated Output Power, 4.6/2.8% PAE, and 28/26dB Gain Power Amplifiers in 65nm CMOS Adopting 2-and 4-way Power Combining. - Byeonghun Yun; Dae-Woong Park; Kyung-Sik Choi; Ho-Jin Song; Sang-Gug Lee 001 (A-SSCC, 2021)

17.6 A Reconfigurable DC-DC Converter for Maximum TEG Energy Harvesting in a Battery-Powered Wireless Sensor Node. - Young-Seok Noh; Jeong-Il Seo; Won-Jong Choi; Ji-Hwan Kim; Hoang Van Phuoc; Hyun-Sik Kim; Sang-Gug Lee 001 (ISSCC, 2021)

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)

Field Experiment of Photonic Radar for Low-RCS Target Detection and High-Resolution Image Acquisition. - Youngseok Bae; Jinwoo Shin; Sang-Gug Lee 001; Hoon Kim (IEEE Access, 2021)

A D-Band Power Amplifier in 65-nm CMOS by Adopting Simultaneous Output Power-and Gain-Matched Gmax-Core. - Dae-Woong Park; Dzuhri Radityo Utomo; Byeonghun Yun; Hafiz Usman Mahmood; Sang-Gug Lee 001 (IEEE Access, 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)

Design of High-Gain Sub-THz Regenerative Amplifiers Based on Double-Gmax Gain Boosting Technique. - Dae-Woong Park; Dzuhri Radityo Utomo; Byeonghun Yun; Hafiz Usman Mahmood; Jong-Phil Hong; Sang-Gug Lee 001 (IEEE J. Solid State Circuits, 2021)

Power Management IC With a Three-Phase Cold Self-Start for Thermoelectric Generators. - Thinh Tran-Dinh; Hieu Minh Pham; Loan Pham-Nguyen; Sang-Gug Lee 001; Hanh-Phuc Le (IEEE Trans. Circuits Syst. I Regul. Pap., 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)

A 27 dB Sidelobe Suppression, 1.12 GHz BW-10dB UWB Pulse Generator With Process Compensation. - Hafiz Usman Mahmood; Dzuhri Radityo Utomo; Jusung Kim; Sang-Gug Lee 001 (IEEE Trans. Circuits Syst. II Express Briefs, 2021)

An 86.7%-Efficient Three-Level Boost Converter with Active Voltage Balancing for Thermoelectric Energy Harvesting. - Loan Pham-Nguyen; Nam Nguyen-Dac; Thinh Tran-Dinh; Hieu Minh Pham; Minkyu Je; Sang-Gug Lee 001; Hanh-Phuc Le (CICC, 2022)

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)

A Fully Integrated 490-GHz CMOS Receiver Adopting Dual-Locking Receiver-Based FLL. - Kyung-Sik Choi; Keun-Mok Kim; Dzuhri Radityo Utomo; In-Young Lee; Sang-Gug Lee 001 (IEEE J. Solid State Circuits, 2022)

A Reconfigurable DC-DC Converter for Maximum Thermoelectric Energy Harvesting in a Battery-Powered Duty-Cycling Wireless Sensor Node. - Young-Seok Noh; Jeong-Il Seo; Hyun-Sik Kim; 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)

Time-Multiplexed PWM LED Driver With Grayscale Enhancement Techniques for Signage Display. - Ji-Hwan Kim; Jang-Su Kim; Jusung Kim; Sang-Gug Lee 001 (IEEE Trans. Ind. Electron., 2022)

Fast-settling Onboard Electrochemical Impedance Spectroscopy System Adopting Quasi-linear-phase Band-pass Filter. - Young-Nam Lee; Kyung-Sik Choi; Seong-Won Jo; Gul Rahim; Kyeongha Kwon; Sang-Gug Lee 001 (I2MTC, 2023)

A D-band 1-channel Beamforming Transmitter Integrated Circuits for 6G mobile communication. - Seung-Hun Wang; Hyoryeong Jeon; Yeonseung Kim; Seunghyun Jang; Hui-Dong Lee; Sunwoo Kong; Bonghyuk Park; Songcheol Hong; Sang-Gug Lee 001; Jung-Hwan Hwang (ICTC, 2023)

Reduction of Electrochemical Impedance Spectroscopy Measurement Time for Lithium-ion Batteries Based on Compressive Sensing. - Akzhol Baktiyar; Young-Nam Lee; Min Jae Jung; Sang-Gug Lee 001; Kyung-Sik Choi (IECON, 2023)

Experimental Analysis for Fast Lithium Plating Detection in Voltage Relaxation Profile of Lithium-Ion Batteries. - Min Jae Jung; Akzhol Baktiyar; Young-Nam Lee; Sang-Gug Lee 001; Taekyu Kang; Soo-Youn Park; Juhyun Song; Kyung-Sik Choi (IECON, 2023)

Flight History-Aware Battery Temperature Estimator for Unmanned Aerial Vehicles Based on Deep Neural Network. - Min Jae Jung; Sang-Gug Lee 001; Donkyu Baek (IECON, 2023)

Fast-Settling Onboard Electrochemical Impedance Spectroscopy System Adopting Two-Stage Hilbert Transform. - Young-Nam Lee; Min Jae Jung; Seong-Won Jo; Gul Rahim; Sang-Gug Lee 001; Kyung-Sik Choi (IECON, 2023)

Investigation of SOC-Dependent Crystalline Phase Transitions in Electrodes and Phase-Dependent Aging Characteristics of a Lithium Battery Under Galvanostatic Cycling. - Mengchun Zhang; Sang-Gug Lee 001 (IECON, 2023)

ASIL-D Compliant Battery Monitoring IC with High Measurement Accuracy and Robust Communication. - Jong-Kyoung Lee; Sunsik Woo; Wooyoung Jeong; Kwang-Seok Oh; Donghyeon Kim; Youngwoon Ko; Jinyong Jeon; Jooho Lee; Young-Suk Son; Sang-Gug Lee 001; Kyeongha Kwon (ISSCC, 2023)

A 264-to-287GHz, -2.5dBm Output Power, and -92dBc/Hz 1MHz-Phase-Noise CMOS Signal Source Adopting a 75fsrms Jitter D-Band Cascaded Sub-Sampling PLL. - Byeong-Taek Moon; Sang-Gug Lee 001; Jaehyouk Choi (ISSCC, 2023)

Analysis and Design of Power-Efficient H-Band CMOS Frequency Doubler Employing Gain Boosting and Harmonic Enhancing Techniques. - Byeong-Taek Moon; Byeonghun Yun; Jusung Kim; Sang-Gug Lee 001 (IEEE Access, 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. - 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 250-GHz Wideband Direct-Conversion CMOS Receiver Adopting Baseband Equalized Low-Loss Resistive Passive Mixer. - Hyo-Ryeong Jeon; Byeonghun Yun; Ho-Keun Lee; Sang-Gug Lee 001; Kyung-Sik Choi (IEEE Trans. Circuits Syst. II Express Briefs, 2023)

H-Band Power Amplifiers in 65-nm CMOS by Adopting Output Power Maximized Gmax-Core and Transmission Line-Based Zero-Degree Power Combining Networks. - Byeonghun Yun; Dae-Woong Park; 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)

ASIL-D and AEC-Q100 Grade 0 Compliant Automotive RC Oscillator with Farey Sequence-based Calibration. - Jeongwon Ham; Won-Jong Choi; Young-Suk Son; Sang-Gug Lee 001; Kyeongha Kwon (CICC, 2024)

10.8 A 281GHz, -1.5dBm Output-Power CMOS Signal Source Adopting a 46fsrms Jitter D-Band Cascaded Subharmonically Injection-Locked Sub-Sampling PLL with a 274MHz Reference. - Byeong-Taek Moon; Hyun-Chul Park; Sang-Gug Lee 001 (ISSCC, 2024)

A 0.1-4.2 GHz, 960-μW Inductor-Less and Negative Shunt Feedback LNA With Simultaneous Noise and Distortion Cancellation and Bandwidth Extension. - Hafiz Usman Mahmood; Sang-Gug Lee 001; Jusung Kim (IEEE Trans. Circuits Syst. I Regul. Pap., 2024)

A D-Band Differential Amplifier With Cross-Couple of Series-Connected Capacitor and Transmission Line-Based Dual-Frequency Gmax-Core. - Hyo-Ryeong Jeon; Dae-Woong Park; Sang-Gug Lee 001 (IEEE Trans. Circuits Syst. II Express Briefs, 2024)

High-Power 150/245-GHz Fundamental Oscillators With 12.1/-2.54-dBm Peak Output Power for Phased Array Transceivers. - Abdul Qahir; Dzuhri Radityo Utomo; Byeonghun Yun; Kyung-Sik Choi; Dae-Woong Park; Sang-Gug Lee 001 (IEEE J. Solid State Circuits, 2024)

A Wide-band Low-power ROIC for Optoelectronic mixer-based LiDAR System. - Thinh Tran-Dinh; Huy Do-Quang; Thao Cao-Chau; Binh-Minh Nguyen; Sang-Gug Lee 001; Loan Pham-Nguyen (ISCAS, 2025)

Small-Perturbation Electrochemical Impedance Spectroscopy System With High Accuracy for High-Capacity Batteries in Electric Vehicles. - Young-Nam Lee; Seong-Won Jo; Gul Rahim; Sang-Gug Lee 001; Kyeongha Kwon (IEEE Trans. Ind. Electron., 2025)

High-Power 270-GHz Oscillator With Harmonic Output Power Optimization Using Series Resonance Feedback. - Abdul Qahir; Kyung-Sik Choi; Jong-Phil Hong; Sang-Gug Lee 001 (IEEE Trans. Circuits Syst. II Express Briefs, 2025)

A 150-GHz Single-to-Differential LNA Adopting Wideband Gmax-Cores Based on Single-Ended Compact Lumped L-C-L and Differential Coupled-Line Embedding Networks. - Hokeun Lee; Hyo-Ryeong Jeon; Sang-Gug Lee 001; Kyung-Sik Choi (IEEE J. Solid State Circuits, 2025)