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Department of Electronic Engineering
The Chinese University of Hong Kong
People > Academic Staff > Prof Kong Pang PUN
Kong Pang PUN
Associate Professor
BEng(CUHK), MPhil(CUHK), PhD(IST/Technical University of Lisbon, Portugal), SrMIEEE
+852 3943 8293
Rm 326, Ho Sin Hang Engineering Building

Resume of Career

Professor KP Pun received his B.Eng. and M.Phil. degrees in Electronic Engineering from the Chinese University of Hong Kong in 1995 and 1997 respectively, and his Ph.D. degree in Electrical and Computer Engineering from the Instituto Superior Técnico, Technical University of Lisbon, Portugal, in 2001. In 1999, he worked part-time at Chipidea Microelectronics S.A. as an IC designer. In 2001, he joined the Department of Electronic Engineering, Chinese University of Hong Kong. He is now an Associate Professor in the Department. He was a visiting scholar at the Columbia Integrated Systems Laboratory, Columbia University during his leave from CUHK in the summer of 2004.

He is a senior member of IEEE, vice-chair of IEEE IEEE Hong Kong Joint-Chapter of Electron Device and Solid-State Circuits, and guest editor of IEEE Journal on Emerging and Selected Topics in Circuits and Systems, 2015 special issue on "Next-Generation Sigma-Delta Converters". He was general co-chair of IEEE Conference on Electron Devices and Solid-State Circuits 2008, a member of the international technical committee of the IEEE International Solid State Circuits Conference (ISSCC) from 2008 to 2012, and a guest editor of IEEE TCAS-II 2009 special issue on "Circuits and Systems Solution for Nanoscale CMOS Design Challenges".

Current Research Interests

Mixed-signal integrated circuit design for data conversion, telecommunications, and biomedical applications

Highlights of Recent Achievements

  • Developed ultra-low voltage Sigma-Delta Analog-to-Digital Converters.
  • Co-invented a charge recycling successive approximation ADC technique.
  • Co-invented an amplifier-less pipelined ADC technique based on charge-pump amplification and comparator-controlled buffering.

Taught Courses

  • Electronic Circuits
  • CMOS Analog Integrated Circuits
  • Analog-Digital ASIC Design
  • Basic Circuit Theory
  • Introduction to Power Electronics

Honors and Awards

  • Departmental and Faculty Exemplary Teaching Awards in 2005, 2009 and 2013.

External Service in Recent 3 Years

  • Secretary, IEEE EDSSC 2013.
  • Member, ASTRI's ICT R&D Centre Technology Review Panel, from 2011.
  • ITPC member, IEEE ISSCC, 2008 - 2011.
  • Editorial board member, Analog Integrated Circuits and Signal Processing, from 2013.

Publications for the Past 3 Years

Journal Publications

  1. L. Sun, A. Wong, B. Li, W.T. Ng and K.P. Pun, “A charge recycling SAR ADC with a LSB-down switching scheme,” in press, IEEE Transactions on Circuits and Systems – I: Regular Papers.

  2. X. Tang, W.T. Ng and K.P. Pun, “A resistor-based sub-1V CMOS smart temperature sensor for VLSI thermal management", in press, IEEE Transactions on Very Large Scale Integration (VLSI) Systems.

  3. X. Tang and K.P. Pun, “New Amplifier-less Pipelined ADC with Wide Power Scalability and ERBW”, Analog Integrated Circuits and Signal Processing, July 2014.

  4. B. Li, L. Sun, C.T. Ko, A.K.Y. Wong and K.P. Pun, “A high-linearity capacitance-to-digital converter suppressing charge errors from bottom-plate switches,” IEEE Transactions on Circuits and Systems – I: Regular Papers, vol. 61, no. 7, pp. 1928 - 1941, July 2014.

  5. L. Sun, C.T. Ko and K.P. Pun, “Optimizing the stage resolution in pipelined SAR ADCs for high-speed high-resolution applications,” IEEE Transactions on Circuits and Systems – II: Express Briefs, vol. 61, no. 7, July 2014.

  6. L. Sun, K.P. Pun and W.T. Ng, “Capacitive digital-to-analogue converters with least significant bit down in differential successive approximation register ADCs,” IET Journal of Engineering, 2014.

  7. B. Li and K.P. Pun, “A high image-rejection SC quadrature bandpass DSM for low-IF receivers,” IEEE Transactions on Circuits and Systems – I: Regular Papers, vol. 61, no. 1, pp. 92-105, Jan. 2014.

  8. K.P. Pun, S. Lei and B. Li, 'Unit capacitor array based SAR ADC', Elsevier Microelectronics Reliability 53 (2013) 505-508.

  9. X. Tang, C.T. Ko and K.P. Pun, 'A charge-pump and comparator based power-efficient pipelined ADC technique', Elsevier Microelectronics Journal 43 (2012) 182-188.

  10. M.H. Ho, Y.Q. Ai, T.C.P. Chau, S.C.L. Yuen, C.S. Choy, P.H.W. Leong and K.P. Pun, 'Architecture and Design Flow for a Highly Efficient Structured ASIC,' IEEE Transactions on VLSI Systems, Apr. 2012.

  11. Y. Chen and K.P. Pun, 'A 0.5-V 90-dB SNDR 102 dB-SFDR audio-band continuous-time delta-sigma modulator', Analog Integr. Circ. Sig. Process (2012) 71:159-169.

Conference Publications

  1. X. Tang, K.P. Pun, and W.-T. Ng, 'A 0.9 V 5kS/s resistor-based time-domain temperature sensor in 90nm CMOS with calibrated inaccuracy of− 0.6° C/0.8° C from− 40° C to 125° C,' in Proc. IEEE Asian Solid-State Circuits Conference, 2013, pp. 169-172.

  2. L. Sun, K.P. Pun and A. Wong, 'Analysis and Design of a 14-bit SAR ADC using self-calibration DAC', IEEE ISCAS 2012, Seoul, Korea.

  3. X. Tang and K.P. Pun, 'Novel Overshoot Cancellation in Comparator-based Pipelined ADC', IEEE ISCAS 2012, Seoul Korea.


  1. K.P. Pun, S. Chatterjee, and P. R. Kinget, "Low voltage comparator circuits," US Patent No.: US 8,704,553 B2, Date of Patent: Apr. 22, 2014.

  2. K.P. Pun, S. Chatterjee, and P. R. Kinget, "Low voltage digital to analog converter, comparator and sigma-delta modulator circuits," US Patent No.: US 8,305,247 B2, Date of Patent: Nov. 6, 2012.

  3. K.P. Pun and C.S. Choy, Sensor Interface Devices and Amplifiers, United States Patent, US 7,724,170, May 25, 2010.