Chang-Ho Lee

Jihwan Kim, Woonyun Kim, Hamhee Jeon, Yan-Yu Huang, Youngchang Yoon, Hyungwook Kim, Chang-Ho Lee, Kevin T. Kornegay: A Fully-Integrated High-Power Linear CMOS Power Amplifier With a Parallel-Series Combining Transformer. J. Solid-State Circuits 47(3): 599-614 (2012)

Hamhee Jeon, Yunseo Park, Yan-Yu Huang, Jihwan Kim, Kun-Seok Lee, Chang-Ho Lee, J. Stevenson Kenney: A Triple-Mode Balanced Linear CMOS Power Amplifier Using a Switched-Quadrature Coupler. J. Solid-State Circuits 47(9): 2019-2032 (2012)

Yan-Yu Huang, Wangmyong Woo, Youngchang Yoon, Chang-Ho Lee: Highly Linear RF CMOS Variable Attenuators With Adaptive Body Biasing. J. Solid-State Circuits 46(5): 1023-1033 (2011)

Jihwan Kim, Youngchang Yoon, Hyungwook Kim, Kyu Hwan An, Woonyun Kim, Hyun-Woong Kim, Chang-Ho Lee, Kevin T. Kornegay: A Linear Multi-Mode CMOS Power Amplifier With Discrete Resizing and Concurrent Power Combining Structure. J. Solid-State Circuits 46(5): 1034-1048 (2011)

Taejoong Song, Sang Min Lee, Jongmin Park, Joonhoi Hur, Michael Lee, Kihong Kim, Chang-Ho Lee, Franklin Bien, Kyutae Lim, Joy Laskar: Low-Power Technique for SRAM-Based On-Chip Arbitrary-Waveform Generator. IEEE T. Instrumentation and Measurement 60(4): 1187-1196 (2011)

Woonyun Kim, Ki Seok Yang, Jeonghu Han, Jaejoon Chang, Chang-Ho Lee: An EDGE/GSM quad-band CMOS power amplifier. ISSCC 2011: 430-432

Ockgoo Lee, Jeonghu Han, Kyu Hwan An, Dong Ho Lee, Kun-Seok Lee, Songcheol Hong, Chang-Ho Lee: A Charging Acceleration Technique for Highly Efficient Cascode Class-E CMOS Power Amplifiers. J. Solid-State Circuits 45(10): 2184-2197 (2010)

Taejoong Song, Jongmin Park, Sang Min Lee, Jaehyouk Choi, Kihong Kim, Chang-Ho Lee, Kyutae Lim, Joy Laskar: A 122-mW Low-Power Multiresolution Spectrum-Sensing IC With Self-Deactivated Partial Swing Techniques. IEEE Trans. on Circuits and Systems 57-II(3): 188-192 (2010)

Ockgoo Lee, Kyu Hwan An, Hyungwook Kim, Dong Ho Lee, Jeonghu Han, Ki Seok Yang, Chang-Ho Lee, Haksun Kim, Joy Laskar: Analysis and Design of Fully Integrated High-Power Parallel-Circuit Class-E CMOS Power Amplifiers. IEEE Trans. on Circuits and Systems 57-I(3): 725-734 (2010)

Kwanyeob Chae, Saibal Mukhopadhyay, Chang-Ho Lee, Joy Laskar: A dynamic timing control technique utilizing time borrowing and clock stretching. CICC 2010: 1-4

Joy Laskar, Kyutae Lim, Joonhoi Hur, Kihyun W. Kim, Ockgoo Lee, Chang-Ho Lee: Emerging multi-level architectures and unbalanced mismatch calibration technique for high-efficient and high-linear LINC systems. ISCAS 2010: 821-824

Jeongwon Cha, Minsik Ahn, Changhyuk Cho, Chang-Ho Lee, Haksun Kim, Joy Laskar: Analysis and Design Techniques of CMOS Charge-Pump-Based Radio-Frequency Antenna-Switch Controllers. IEEE Trans. on Circuits and Systems 56-I(5): 1053-1062 (2009)

Sanghyun Woo, Woonyun Kim, Chang-Ho Lee, Kyutae Lim, Joy Laskar: A 3.6mW differential common-gate CMOS LNA with positive-negative feedback. ISSCC 2009: 218-219

Jeongwon Cha, Minsik Ahn, Changhyuk Cho, Chang-Ho Lee, Joy Laskar: A charge-pump based 0.35µm CMOS RF switch driver for multi-standard operations. ISCAS 2008: 452-455

Minsik Ahn, Chang-Ho Lee, Joy Laskar: CMOS High Power SPDT Switch using Multigate Structure. ISCAS 2007: 3283-3286

Kwan-Woo Kim, Jongmin Park, Jinyoun Cho, Kyutae Lim, Charles J. Razzell, Kihong Kim, Chang-Ho Lee, Haksun Kim, Joy Laskar: Interference Analysis and Sensing Threshold of Detect and Avoid (DAA) for UWB Coexistence with WiMax. VTC Fall 2007: 1731-1735

Youngsik Hur, G. Park, Chang-Ho Lee, H. S. Kim, Joy Laskar: A Cognitive Radio (CR)-Based Mobile Interactive Digital Broadcasting Application adopting a Multi-Resolution Spectrum-Sensing (MRSS) Technique. VTC Fall 2007: 1912-1916

Youngsik Hur, Jongmin Park, W. Woo, J. S. Lee, Kyutae Lim, Chang-Ho Lee, Hyoungsoo Kim, Joy Laskar: A Cognitive Radio (CR) System Employing A Dual-Stage Spectrum Sensing Technique : A Multi-Resolution Spectrum Sensing (MRSS) and A Temporal Signature Detection (TSD) Technique. GLOBECOM 2006

Youngsik Hur, Jongmin Park, W. Woo, Kyutae Lim, Chang-Ho Lee, Hyoungsoo Kim, Joy Laskar: A wideband analog multi-resolution spectrum sensing (MRSS) technique for cognitive radio (CR) systems. ISCAS 2006

R. Mukhopadhyay, S. W. Yoon, Y. Park, Chang-Ho Lee, S. Nuttinck, Joy Laskar: Investigation of inductors for digital Si-CMOS technologies. ISCAS 2006

Sanghyun Woo, Hyeongseok Yu, Jeakon Lee, Chang-Ho Lee, Joy Laskar: Effects of RF impairments in transmitter for the future beyond-3G communications systems. ISCAS 2006

Youngsik Hur, Jongmin Park, Kwan-Woo Kim, Jungseok Lee, Kyutae Lim, Chang-Ho Lee, Haksun Kim, Joy Laskar: A Cognitive Radio (CR) Testbed System Employing a Wideband Multi-Resolution Spectrum Sensing (MRSS) Technique. VTC Fall 2006: 1-5