University  of  Toronto

Khoman Phang

T. Pialis, E.W. Hu, and K. Phang, "A 1.8V Low-Jitter CMOS Ring Oscillator with Supply Regulation." to be presented at the IEEE International Symposium on Circuits and Systems, Kobe, Japan, May 2005.

L. Pylarinos and K. Phang, ""Low-Voltage Programmable gm-C Filter for  Hearing Aids using Dynamic Gate Biasing", to be presented at the IEEE International Symposium on Circuits and Systems, Kobe, Japan, May 2005.

E. Chong and K. Phang, "A 400Mbps CMOS Spatially-Modulated Photoreceiver for Optical Storage", to be presented at the IEEE International Symposium on Circuits and Systems, Kobe, Japan, May 2005.

S. Nicolson, and K. Phang, "Improvements in Biasing and Compensation of CMOS Opamps", IEEE International Symposium on Circuits and Systems, Vancouver, Canada, vol. 1, pp. 665-668, May 2004.  (pdf, 179 kB)

S. Nicolson, and K. Phang, ""Step-up versus Step-down DC/DC Converters for
RF-Powered Systems," IEEE International Symposium on Circuits and Systems, Vancouver, Canada, vol. 5, pp. 900-903, May 2004. (pdf, 163 kB)

S. Goldberg, S. Liu, S. Nicolson, and K. Phang, "CMOS Limiting Optical Preamplifiers Using Dynamic Biasing for Wide Dynamic Range",  IEEE International Symposium on Circuits and Systems, Vancouver, Canada, vol. 4, pp. 217-220, May 2004.  (pdf, 218 kB)

M. Youssef, E. Chong, and K. Phang, "Distortion Analysis Using Signal flow Graphs and the Volterra Series," IEEE Mid-West Symposium on Circuits and Systems, Cairo, Egypt, Dec. 2003. (pdf, 300 kB)

L. Pylarinos and K. Phang, "Analysis of Output Ripple in Multi-Phase Clocked Charge Pumps," IEEE International Symposium on Circuits and  Systems, Bangkok, Thailand, Vol. 5, pp. 285-288, May 2003. (pdf, 171kB)

T. Pialis and K. Phang, "Analysis of Timing Jitter in Ring Oscillators Due to Power Supply Noise," IEEE International Symposium on Circuits and Systems, Bangkok, Thailand, Vol. 1, pp. 685-688, May 2003. (pdf, 415 kB)_

L. Pylarinos, N. W. Wong, and K. Phang, "A Low-Voltage CMOS Filter for Hearing Aids using Dynamic Gate Biasing," IEEE Canadian Conf. on Elec. and Comp. Eng., Toronto, May 2001. (pdf, 101 kB)_

B. Zand, K. Phang, and D. A. Johns, "A Transimpedance Amplifier With DC-Coupled Differential Photodiode Current Sensing for Wireless Optical Communications," IEEE Conf. Custom Integ. Circ., San Diego, pp. 455-458, May 2001. (pdf, 510 kB)

K. Phang and D.A. Johns, "A 1V, 1mW CMOS Front-End with On-Chip Dynamic Gate Biasing for a 75Mb/s Optical Receiver," IEEE ISSCC Dig. of Tech. Papers, pp. 218-219, Feb. 2001. (paper and slide presentation)

B. Zand, K. Phang, and D.A. Johns, "Transimpedance Amplifier with Differential Photodiode Current Sensing," IEEE International Symposium on Circuits and Systems, Orlando, FA, Vol. 2, pp. 624-627, May 1999. (pdf, 70 kB)

K. Phang and D.A. Johns, "A 3-V CMOS Optical Preamplifier with dc Photocurrent Rejection," IEEE International Symposium on Circuits and Systems, Monterey, CA, Vol. 1, pp. 305-308, May 1998. (pdf, 91 kB)

R. Ananth, M. Noll, and K. Phang, "Low-Voltage Infrared Transceiver Design," Communication Systems Design, Miller Freeman Publications, pp. 52-61, October 1997. (Click here for online version)

K. Phang, CMOS Optical Preamplifier Design Using Graphical Circuit Analysis, Ph.D. Thesis, Dept. of Electrical and Computer Engineering, University of Toronto, June 2001 [PDF]

 K. Phang, Adaptive Microphone Arrays Using FIR and IIR Filters, M.A.Sc.. Thesis, Dept. of Electrical and Computer Engineering, University of Toronto, August 1992 [Abstract with illustrations,    zip compressed PostScript]