Journal Papers
2014
- Ka Nang Leung and Yuen Sum Ng, "A CMOS voltage buffer with slew-rate enhancement," International Journal of Electronics, to be published.
2013
- Kwan-Wai Li and Ka-Nang Leung, "A class-E power amplifier for wireless biomedical systems," Analog Integrated Circuits and Signal Processing, vol. 75, no. 3, pp. 525–529, Jun. 2013
- Bing Li and Kong-Pang Pun, "A continuous-time cascaded delta-sigma modulator with PMW-based automatic RC time constant tuning and correlated double sampling," Microelectronics Journal, vol. 44, no. 5, pp. 431–441, May 2013.
- Kong-Pang Pun, Lei Sun, and Bing Li, "Unit capacitor array based SAR ADC," Microelectronics Reliability, vol. 53, no. 3, pp. 505–508, Mar. 2013.
- Kwan Wai Li, Ka Nang Leung, and Lincoln Lai Kan Leung, "Sub-mW LC Dual-Input Injection-Locked Oscillator for Autonomous WBSNs," IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 21, no. 3, pp. 546–553, Mar. 2013.
- Man-Ho Ho, Yan-Qing Ai, Thomas Chun-Pong Chau, Steve C. L. Yuen, Chiu-Sing Choy, Philip H. W. Leong, and Kong-Pang Pun, "Architecture and Design Flow for a Highly Efficient Structured ASIC," IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 21, no. 3, pp. 424–433, Mar. 2013.
- Yanqing Ai and Chiu-Sing Choy, "The Impact of Nodes Embedded with Data Processing Unit on Energy Consumption in a Wireless BAN," Procedia Computer Science, vol. 19, pp. 938–943, 2013.
2012
- Yanqi Zheng, Hua Chen, and Ka Nang Leung, "A Fast-Response Pseudo-PWM Buck Converter With PLL-Based Hysteresis Control," IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 20, no. 7, pp. 1167–1174, Jul. 2012.
- Yan Chen and Kong-Pang Pun, "A 0.5-V 90-dB SNDR 102 dB-SFDR audio-band continuous-time delta–sigma modulator," Analog Integrated Circuits and Signal Processing, vol. 71, no. 2, pp. 159–169, May 2012.
- Jianping Guo and Ka Nang Leung, "A CMOS voltage regulator for passive RFID tag ICs," International Journal of Circuit Theory and Applications, vol. 40, no. 4, pp. 329–340, Apr. 2012.
- Chi-Tung Ko, Kong-Pang Pun, and Andreas Gothenberg, "Vernier parallel delay-line based time-to-digital converter," Analog Integrated Circuits and Signal Processing, vol. 71, no. 1, pp. 151–153, Apr. 2012.
- Jingbin Jia and Ka Nang Leung, "Digital-Control Single-Inductor Triple-Output DC–DC Converter With Pre-Sub-Period Inductor-Current Control," IEEE Transactions on Power Electronics, vol. 27, no. 4, pp. 2028–2042, Apr. 2012.
- Xian Tang, Chi-Tung Ko, and Kong-Pang Pun, "A charge-pump and comparator based power-efficient pipelined ADC technique," Microelectronics Journal, vol. 43, no. 3, pp. 182–188, Mar. 2012.
- Ka Nang Leung, Yuen Sum Ng, and Hua Chen, "A fully integrated CMOS direct-conversion transmitter front-end for WiMAX," International Journal of Electronics, vol. 99, no. 2, pp. 255–266, Feb. 2012.
- Jingbin Jia and Ka Nang Leung, "Improved active-diode circuit used in voltage doubler," International Journal of Circuit Theory and Applications, vol. 40, no. 2, pp. 165–173, Feb. 2012.
2011
- Yan Chen, Kong-Pang Pun, and Peter Kinget, "A 0.5-V 81.2 dB SNDR audio-band continuous-time Delta-Sigma modulator with SCR feedback," Analog Integrated Circuits and Signal Processing, vol. 67, no. 3, pp. 285–292, Jun. 2011.
- Yin-Sheng Zhao, Siu-Kei Tang, Chi-Tung Ko, Kong-Pang Pun, "A chopper-stabilized high-pass Delta–Sigma Modulator with reduced chopper charge injection," Microelectronics Journal, vol. 42, no. 5, pp. 733–739, May 2011.
- Marco Ho and Ka Nang Leung, "Dynamic Bias-Current Boosting Technique for Ultralow-Power Low-Dropout Regulator in Biomedical Applications," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 58, no. 3, pp. 174–178, Mar. 2011
- Xian Tang and Kong Pang Pun, "A Novel Switched-Current Successive Approximation ADC," Journal of Circuits, Systems and Computers, vol. 20, no. 1, pp. 15–27, Feb. 2011
- Ka Nang Leung, Yi Ki Sun, Lincoln L. K. Leung, and Pui Ying Or, "A gain-optimising regulated charge pump," International Journal of Electronics, vol. 98, no. 2, pp. 197–205, Feb. 2011.
- Xiao-Yong He, Kong-Pang Pun, Siu-Kei Tang, Chiu-Sing Choy, and Peter Kinget, "A 0.5 V 65.7 dB 1 MHz continuous-time complex delta sigma modulator," Analog Integrated Circuits and Signal Processing, vol. 66, no. 2, pp. 255–267, Feb. 2011
2010
- Ka Nang Leung, Yuan Yen Mai, and Philip K. T. Mok, "A Chip-Area Efficient Voltage Regulator for VLSI Systems," IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 18, no. 12, pp. 1757–1762, Dec. 2010.
- Marco Ho, Ka Nang Leung, and Ki-Leung Mak, "A Low-Power Fast-Transient 90-nm Low-Dropout Regulator With Multiple Small-Gain Stages," IEEE Journal of Solid-State Circuits, vol. 45, no. 11, pp. 2466–2475, Nov. 2010.
- Pui Ying Or and Ka Nang Leung, "A Fast-Transient Low-Dropout Regulator With Load-Tracking Impedance Adjustment and Loop-Gain Boosting Technique," IEEE Transactions on Circuits and Systems II: Express Briefs, pp. 757–761, Oct. 2010.
- Ka Nang Leung and Yuen Sum Ng, "A CMOS Low-Dropout Regulator With a Momentarily Current-Boosting Voltage Buffer," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 57, no. 9, pp. 2312–2319, Sept. 2010.
- Jianping Guo and Ka Nang Leung, "A 6-µW Chip-Area-Efficient Output-Capacitorless LDO in 90-nm CMOS Technology," IEEE Journal of Solid-State Circuits, vol. 45, no. 9, pp. 1896–1905, Sept. 2010.
- Ke Xu, Tsu-Ming Liu, Jiun-In Guo, and Chiu-Sing Choy, "Methods for Power/Throughput/Area Optimization of H.264/AVC Decoding," Journal of Signal Processing Systems, vol. 60, no. 1, pp. 131–145, Jul. 2010.
- Alex K. Y. Wong, Ka Nang Leung, Kong-Pang Pun, and Yuan-Ting Zhang, "A 0.5-Hz High-Pass Cutoff Dual-Loop Transimpedance Amplifier for Wearable NIR Sensing Device," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 57, no. 7, pp. 531–535, Jul. 2010.
- S. Yeung, J. Guo, and K. N. Leung, "25 mA LDO with -63 dB PSRR at 30 MHz for WiMAX," Electronics Letters, vol. 46, no. 15, pp. 1080–1081, Jul. 2010.
- M. J. Wong, M. Ho, and K. N. Leung, "High slew-rate voltage follower based on double-sided dynamic biasing," Electronics Letters, vol. 46, no. 12, pp. 824–825, Jun. 2010.
- Ragnarok Pak-Kee Chan, Oliver Chiu-Sing Choy, Kong-Pang Pun, Cheong-Fat Chan, and Ka Nang Leung, "Analysis of the behaviours of phase and amplitude mismatch compensators to achieve 82.5 dB image rejection ratio," International Journal of Electronics, vol. 97, no. 5, pp. 553–568, May 2010.
- Ka Nang Leung, Chiu Sing Choy, Kong-Pang Pun, Lincoln Lai Kan Leung, Jianping Guo, Yuen Sum Ng, Chi Fat Chan, Weiwei Shi, Yang Hong, Marco Ho, Ki-Leung Mak, and Yanqing Ai, "RF Module Design of Passive UHF RFID Tag Implemented in CMOS 90-nm Technology," Journal of Low Power Electronics, vol. 6, no. 1, pp. 141–149, Apr. 2010.
- Ka Nang Leung, Felix Kok Man Cheung, Marco Ho, Hiu Ching Poon, and Pui Ying Or, "A 1.9 µW Transient-Enhanced Low-Dropout Regulator with Voltage-Spike Suppression," Journal of Low Power Electronics, vol. 6, no. 1, pp. 126–132, Apr. 2010.
- Wang-Chi Cheng, Cheong-Fat Chan, Kong-Pang Pun, and Chiu-Sing Choy, "A low voltage current mode CMOS integrated receiver front-end for GPS system," Analog Integrated Circuits and Signal Processing, vol. 63, no. 1, pp. 23–31, Apr. 2010.
- Chi-Fat Chan, Kong-Pang Pun, Ka-Nang Leung, Jianping Guo, Lai-Kan Lincoln Leung, and Chiu-Sing Choy, "A Low-Power Continuously-Calibrated Clock Recovery Circuit for UHF RFID EPC Class-1 Generation-2 Transponders," IEEE Journal of Solid-State Circuits, vol. 45, no. 3, pp. 587–599, Mar. 2010.
- Pui Ying Or and Ka Nang Leung, "An Output-Capacitorless Low-Dropout Regulator With Direct Voltage-Spike Detection," IEEE Journal of Solid-State Circuits, vol. 45, no. 2, pp. 458–466, Feb. 2010.
2009
- X. Tang and K.-P. Pun, "High-performance CMOS current comparator," Electronics Letters, vol. 45, no. 20, pp. 1007–1009, Sept. 2009.
- Lucien Breems, Peter R. Kinget, and Kong-Pang Pun, "Special Issue on Circuits and Systems Solutions for Nanoscale CMOS Design Challenges," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 56, no. 5, pp. 337–338, May 2009.
- Min Zhang and Chiu-Sing Choy, "Low-Cost Allocator Implementations for Networks-on-Chip Routers," VLSI Design, vol. 2009, Article ID 415646, 10 pages, 2009.
- Ke Xu and Chiu-Sing Choy, "Low-Power Bitstream-Residual Decoder for H.264/AVC Baseline Profile Decoding," EURASIP Journal on Embedded Systems, vol. 2009, Article ID 425173, 17 pages, 2009.
2008
- Alex K. Y. Wong, Kong-Pang Pun, Yuan-Ting Zhang, and Ka Nang Leung, "A Low-Power CMOS Front-End for Photoplethysmographic Signal Acquisition With Robust DC Photocurrent Rejection," IEEE Transactions on Biomedical Circuits and Systems, vol. 2, no. 4, pp. 280–288, Dec. 2008.
- Siu-Kei Tang, Kong-Pang Pun, Chiu-Sing Choy, Cheong-Fat Chan, and Ka Nang Leung, "A Fully Differential Band-Selective Low-Noise Amplifier for MB-OFDM UWB Receivers," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 55, no. 7, pp. 653–657, Jul. 2008.
- Tsz Yin Man, Ka Nang Leung, Chi Yat Leung, Philip K. T. Mok, and Mansun Chan, "Development of Single-Transistor-Control LDO Based on Flipped Voltage Follower for SoC," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 55, no. 5, pp. 1392–1401, Jun. 2008.
- Ke Xu and Chiu-Sing Choy, "A Five-Stage Pipeline, 204 Cycles/MB, Single-Port SRAM-Based Deblocking Filter for H.264/AVC," IEEE Transactions on Circuits and Systems for Video Technology, vol. 18, no. 3, pp. 363–374, Mar. 2008.
- Ke Xu and Chiu-Sing Choy, "A Power-Efficient and Self-Adaptive Prediction Engine for H.264/AVC Decoding," IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 16, no. 3, pp. 302–313, Mar. 2008.