Robert Sobot, Ph.D. Supervisors: Dr. Shawn Stapleton Dr. Marek Syrzycki

Research Interests:
High-speed, mixed-signal, analog integrated circuit design

Journals:
• R. Sobot, S. Stapleton, M. Syrzycki, Fractional Sigma--Delta Modulator in SiGe, (submitted for publication)
• T. Johnson, R. Sobot, S. Stapleton, CMOS RF Class D Amplifier with a Fractional Sigma-Delta Bandpass Modulator, (submitted for publication)
• R. Sobot, Adaptive Equalizer in CMOS, (submitted for publication)
• R. Sobot, S. Stapleton, M. Syrzycki, A Fractional Delay ΣΔ Upconverter, IEE Electronics Letters, Volume 41, Issue 23, pp.15-16, November 2005
• R. Sobot, S. Stapleton, M. Syrzycki, Tunable Continuous Time Bandpass ΣΔ Modulators with Fractional Delays, IEEE Transactions on Circuits and Systems Part I: Regular Papers, (in print)

Conference Papers:

• T. Johnson, R. Sobot, S. Stapleton, Measurement of Bandpass Sigma--Delta Modulator Coding Efficiency and Pulse Transition Frequency for RF Class D Power Amplifier Applications, CCECE 2006, (submitted for publication)
• R. Sobot, S. Stapleton, M. Syrzycki, Tunable Center Frequency CT BP ΔΣ Modulators for Wireless Transceivers , IEEE Vehicular Technology Conference 2004-Fall, Vol. 7, pp.4956-4960, Los Angeles, USA, September 26-29, 2004.
• R. Sobot, S. Stapleton, M. Syrzycki, Frequency Translation by Continuous Time Bandpass ΔΣ Modulators , Workshop on Wireless Circuits and Systems, WoWCAS 2004, pp.39-40, Vancouver B.C., Canada, May 21-22, 2004
• R. Sobot, S. Stapleton, M. Syrzycki, Continuous Time Bandpass ΔΣ Modulators for a Software Defined Radio, IEEE Canadian Conference on Electrical and Computer Engineering, CCECE 2004, Vol. 3, pp.1253-1256, Niagara Falls Ontario, Canada, May 2-5, 2004
• R. Sobot, S. Stapleton, M. Syrzycki, Behavioral modeling of continuous time ΔΣ modulators, 2003 IEEE International Workshop on Behavioral Modeling and Simulation, BMAS 2003, pp.88-91, San Hose, USA, October 7-8, 2003
• R. Sobot, M. Syrzycki, Current-Mode MOS Adders Using Multiple-Valued Logic, 1996 IEEE Canadian Conference on Electrical and Computer Engineering, CCECE'96, Calgary, Canada, pp.190-193, May 26-29, 1996

Patent:

• G. Boyd, R. Sobot, D.H. Culley, Implementation method for adaptive equalizer in CMOS , USA Patent 6,438,162, August 20, 2002; Canada Patent 2,260,606, July 22, 2003