Prof. Kamal El-Sankary, P.Eng.

Professor

Email: Kamal.El-Sankary@dal.ca

Sexton campus, Room C371

Phone : (902)-494-2711

Fax : (902)-422-7535

Research Interests:

Microelectronics, Analog, Mixed-signal, digital and RF integrated circuits design in nanoscale CMOS technologies, and Embedded systems design

Publications: 

1. Refereed Journals Papers

[1] K. Thiyagarajan, R. Lu, K. El-Sankary, and H. Zhu, "Energy-Aware Encryption for Securing Video Transmission in Internet of Multimedia Things" IEEE transactions on circuits and systems for video technology, accepted Feb 7, 2018.

[2] K. AL-Tamimi, and K. El-Sankary. "Preweighted Linearized VCO Analog-to-Digital Converter." IEEE Transactions on Very Large Scale Integration (VLSI) Systems 25.6 (2017): 1983-1987.

[3] Y. Zhang, and K. El-Sankary. "Offset-injection digital background calibration for VCO-based ADC." Analog Integrated Circuits and Signal Processing 92.3 (2017): 501-506.

[4] K. AL-Tamimi, and El-Sankary Kamal "Body-driven log/antilog PVT compensated analog computational block." Analog Integrated Circuits and Signal Processing 90.3 (2017): 693-700.

[5] Y. Zhang, Y., and K. El-Sankary. "Orthogonal polynomials non-linearity compensation for a digital VCO-based ADC." IET Electronics Letters 52.11 (2016): 915-917.

[6] K. AL-Tamimi, P. Thiyagarajan, and K. El-Sankary. "Continuous-time four-quadrant modulator with inherent PVT cancellation." IET Electronics Letters 52, no. 10 (2016): 807-808.

[7] K. Thiyagarajan, K. El-Sankary, Y. Wang, and I. Hammad, “Low Complexity Multimedia Encryption”, International Journal of Computer Network and Information Security, 2016, 4, 1-13

[8] T. Sandhu, and K. El-Sankary. "A Mismatch-Insensitive Skew Compensation Architecture for Clock Synchronization in 3-D ICs." IEEE Transactions on Very Large Scale Integration (VLSI) Systems 24.6 (2016): 2026-2039.

[9] K. El-Sankary, T. Asai, M. Motomura, and T. Kuroda, "Crosstalk Rejection in 3-D-Stacked Interchip Communication with Blind Source Separation." IEEE Transactions on Circuits and Systems II: Express Briefs 62.8 (2015): 726-730.

[10] M. Ahamed, T. Sandhu, and K. El-Sankary. "Highly linear current-controlled delay unit." Electronics Letters 51, no. 15 (2015): 1157-1159.

[11] H. Hanafi, Hamed, K. El-Sankary, U. Peters, M. Al Amer, D. Henzler, A. Milne, J. Brown, G. Maksym "Assessing the accuracy of oscillometry in tracking the mean values and the temporal changes in impedance of children." European Respiratory Journal 46.suppl 59 (2015): PA1030.

[12] H. Yu, K. El-Sankary and E. El-Masry, “Wideband double-bulk harmonic rejection mixer”, IET Circuits, Devices & Systems 9.4 (2015): 237-243.

[13] H. Yu, K. El-Sankary and E. El-Masry, "Distortion analysis using Volterra series and linearization technique of nano-scale bulk-driven CMOS RF amplifier ", IEEE Transactions on Circuits and Systems I, vol. 61, pp. 19-28, January 2015.

[14] H. Yu, K. El-Sankary and E. El-Masry, “Guideline on Quantitatively Analyzing Analog Nano-Scale CMOS Circuits Using Ultra-Compact Model”, Microelectronics and Solid State Electronics Journal, December 2014.

[15] H. Yu, K. El-Sankary and E. El-Masry, "A methodology to design bulk-driven mixer with harmonic mixing rejection", Analog Integrated Circuits and Signal Processing, Springer, vol. 77, pp. 503-511, Sept. 2013.

[16] M. Ceekala, K. El-Sankary, and E. El-Masry, “Stochastic ADC with random U-quadratic distributed reference voltages to uniformly distributed comparators trip point,” Analog Integrated Circuits and Signal Processing Journal, Springer, vol. 74, Issue 2, pp 461-465, Feb. 2013.

[17] Q. Chen, K. El-Sankary, and E. El-Masry, “A UHF Current-Mode Continuous-Time Band-Pass Delta Sigma Modulator Using Fully Balanced Active Inductor,” Analog Integrated Circuits and Signal Processing Journal, Springer, vol. 67, pp. 261-272, June 2011.

[18] I. Hammad, K. El-Sankary, and E. El-Masry, “High Speed AES Encryptor with Efficient Merging Techniques,” IEEE Embedded Systems letters, vol. 2, pp. 67-71, Sept. 2010.

[19] T. Sandhu, K. El-Sankary, and E. El-Masry, “A Distortion Compensated Charge Transfer Amplifier for a 1.66-MHz Cyclic Pipeline ADC” IEEE Transactions on Circuits and Systems II, vol. 57, pp. 507-511, 2010.

[20] A.-H Adl, K. El-Sankary, and E. El-Masry, “High-Order Curvature Compensation Technique for Subthreshold Bandgap Voltage Reference,” International Journal of Electronics, vol. 97, issue 7, pp. 783 – 796, July 2010.

[21] S. Krishnamurthy, K. El-Sankary, and E. El-Masry, “Noise-Cancelling CMOS Active Inductor and its Application in RF Bandpass Filter Design,” International Journal of Microwave Science and Technology, Vol. 2010, 8 pages, Feb. 2010.

[22] R. Chebli, M. Sawan, K. El-Sankary, and Y. Savaria, “High-Voltage DMOS Integrated Circuits Using Floating-Gate Protection Technique,” Analog Integrated Circuits and Signal Processing Journal, Springer, vol. 62, pp. 223-235, Feb. 2010. 

[23] K. El-Sankary, H. Alamdari and E. El-Masry, “An Adaptive ELD Compensation Technique Using a Predictive Comparator,” IEEE Transactions on Circuits and Systems II, vol. 56, pp. 619-623, Aug. 2009.

[24] H. Alamdari, K. El-Sankary, and E. El-Masry, “Excess Loop Delay Compensation for Continuous-Time DS Modulators Using Interpolation,” Electronics Letters, IET, vol. 45, no. 12, July 2009.

[25] K. El-Sankary, and M. Sawan, “High Resolution Background Calibrated ADCs for Software Defined Radios,” Microelectronics Journal, Elsevier, vol. 37, pp. 1231-1240, Nov. 2006.

[26] L. Qin, K. El-Sankary, and M. Sawan, “A 1.8V CMOS Fourth-Order Gm-C Bandpass Sigma-Delta Modulator Dedicated to Front-end Ultrasonic Receivers,” Analog Integrated Circuits and Signal Processing Journal, Springer, vol. 48, pp. 122-132, Aug. 2006.

[27] K. El-Sankary, and M. Sawan, “Digital Background Calibration Techniques for Multibit/ Stage Pipelined and Time-Interleaved ADCs,” IEEE Transactions on Circuits and Systems II, vol. 53, pp. 448-452, June 2006.

[28] K. El-Sankary, A. Assi and M. Sawan, “New Sampling Method to Improve the SFDR of Wide Bandwidth ADC Dedicated to Next Generation Wireless Transceiver,” Journal of Circuits, Systems, and Computers, vol. 13, No. 6, pp. 1183-1201, Dec 2004.

[29] K. El-Sankary and M. Sawan, “A Digital Blind Background Capacitor Mismatch Calibration Technique for Pipelined ADC,” IEEE Transactions on Circuits and Systems II, vol. 51, pp. 507-510, Oct. 2004.

 2. Patent

[1] K. El-Sankary, and M. Sawan, “Circuit Calibration using Voltage Injection”, United States Patent, US 7,187,310. Date of Publication March 2007.

 3. Book Chapter

[1] I. Hammad, K. El-Sankary, and E. El-Masry, “Advanced Encryption Standard (AES) Implementation in Embedded Systems,” in the book “Embedded Systems: Hardware, Design, and Implementation”, DOI: 10.1002/9781118468654.ch13, John Wiley & Sons, Inc, Nov. 2012.

4. Refereed Conference Papers

[1] Y. Wu, J. Jin, and K. El-Sankary “A Linearized Wideband Low Noise Amplifier in 65nm CMOS For multi-standard RF Communication Applications,” IEEE International Conference on Computer and Communications, Dec. 2017.

[2] H., Hamed, G. Maksym, and K. El-Sankary. "A New Mechanism For Frequency Dependence Of Resistance." B109. Advances in pulmonary measurements, modeling, and methodology, American Thoracic Society, 2017. A4882-A4882.

[3] H. Hanafi, K. El-Sankary, and G. Maksym. "Are Variations Of Impedance In Time Contributing To Frequency Dependence Of Resistance?." C108. Advances in lung function assessment, American Thoracic Society, 2016. A6359-A6359.

[4] H. Hanafi, K. El-Sankary, and G. Maksym. "Non-Stationary Analysis for Tracking Temporal Variations In Impedance During Oscillometry",The Biomedical Engineering Society, Annual Meeting 2015/10

[5] H. Nateghi, and K. El-Sankary, “A Self-Healing Technique Using ZTC Biasing for PVT Variations Compensation in 65nm CMOS Technology”, in Proc. IEEE Canadian Conf. Electrical and Computer Engineering, CCECE, Canada, May 2015.

[6] D. Majumdar, M. Ceekala, K. El-Sankary, C. Schlegel, “An Energy-Efficient Baseband Transmitter Design for Implantable Biotelemetry Applications,” IEEE Asia Pacific Conference on Circuits and Systems, Nov. 2014.

[7] H. Yu, K. El-Sankary and E. El-Masry, “Distortion analysis of nano-scale CMOS gate-driven RF amplifier using Volterra series”, in Proc. IEEE Canadian Conf. Electrical and Computer Engineering, CCECE, May 2014.

[8] H. Yu, K. El-Sankary, E. El-Masry, “A Wideband Bulk Driven Mixer with Harmonic Mixing Rejection,” International Conference on IC Design and Technology, ICICDT, May 2013.

[9] H. Yu, K. El-Sankary, and E. El-Masry, “A High-Output Impedance, Wide Swing Bulk-Driven Current Source with Dynamic Biasing,” IEEE Canadian Conference on Electrical and Computer Engineering, May 2012.

[10] J. Ren, K. El-Sankary, and E. El-Masry, “Design of Low-Voltage Wide Tuning Range CMOS Multipass Voltage-Controlled Ring Oscillator,” IEEE International Midwest Symposium on Circuits and Systems, Aug. 2010.

[11] M. Ebrahimian, K. El-Sankary, and E. El-Masry, “Enhanced RF to DC CMOS Rectifier with Capacitor-Bootstrapped Transistors,” IEEE International Symposium on Circuits and Systems, ISCAS, May 2010.

[12] U. Shah, K. El-Sankary, and E. El-Masry, “A Charge Sampling Baseband Filter Using a New High Linearity Gm For Multimode Receiver,” IEEE International Conference on Electronics, Circuits, and Systems, ICECS, Dec 2009.

[13] A.-H Adl, K. El-Sankary, and E. El-Masry, “Bandgap Reference with Curvature Corrected Compensation Using Subthreshold MOSFETs,” IEEE International Symposium on Circuits and Systems, ISCAS, May 2009.

[14] Q. Chen, K. El-Sankary, and E. El-Masry , “A UHF Continuous-Time Current-Mode Band-Pass Delta Sigma Modulator Based on Active Inductor,” IEEE International Midwest Symposium on Circuits and Systems, MWSCAS , Knoxville, Aug. 2008. (2nd Prize Best Student Paper Contest)

[15] R. Chebli, M. Sawan, Y. Savaria, and K. El-Sankary, “High-Voltage DMOS Integrated Circuits with Floating Gate Protection Technique,” Proc. IEEE International Symposium on Circuits and Systems, ISCAS, pp.3343 – 3346, May 2007.

[16] K. El-Sankary, and M. Sawan, “10-b 100MS/s Two-Channel Time-Interleaved Pipelined ADC,” IEEE Custom Integrated Circuits Conference, CICC, pp.217-220, Sept 2006.

[17] M. Sawan, A. Djemaoui, K. El-Sankary, H. Dang, A. Naderi, Y. Savaria, and F. Gagnon, “High Speed ADCs Dedicated for Wideband Wireless Receivers,” IEEE Northeast Workshop on Circuits and Systems Conference, NEWCAS, pp.283-286, 2005.

[18] K. El-Sankary, and M. Sawan, “High Resolution Self-Calibrated ADCs for Software Defined Radios,” IEEE International Conference on Microelectronics, ICM, pp. 120-123, 2004. (Invited paper)

[19] K. El-Sankary, and M. Sawan, “A New Digital Background Calibration Technique for Pipelined ADC,” in Proc. IEEE International Symposium on Circuits and Systems, ISCAS, vol.1, pp.5-8, 2004.

[20] L. Qin, K. El-Sankary, and M. Sawan, “A 1.8V CMOS Fourth-Order Gm-C Bandpass Sigma-Delta Modulator Dedicated to Front-end Ultrasonic Receivers,” IEEE International Conference on Solid-State and Integrated-Circuit, vol.2, 1425-1428, pp. 2004.

[21] Y. Chouia, K. El-Sankary, et al., “A New Technique for Designing High Performance Front-end Sample and Hold Circuits,” IEEE International Conference on Microelectronics, 2004.

[22] Y. Chouia, K. El-Sankary, A. Saleh, M. Sawan, and F. Ghannouchi, “14 b, 50MS/s CMOS Front-End Sample and Hold Module Dedicated to a Pipelined ADC,” IEEE Int. Midwest Symposium on Circuits and Systems, MWSCAS, 2004.

[23] K. El-Sankary, and M. Sawan, “Digitally-Oriented Channel Random Sampling Method for Parallel Time Interleaved ADCs,” Northeast Workshop on Circuits and Systems Conference, pp. 447-450, 2003.

[24] K. El-Sankary, and M. Sawan, “Background Capacitor Mismatch Calibration for Pipelined ADC,” IEEE Int. Midwest Symposium on Circuits and Systems, MWSCAS, 2003.

[25] K. El-Sankary, A. Assi and M. Sawan, “New Sampling Method to Improve the SFDR of Time-Interleaved ADCs,” in Proc. IEEE International Symposium on Circuits and Systems, ISCAS, 2003.

[26] K. El-Sankary, A. Kassem, R. Chebli and M. Sawan, “Low Power, Low Voltage, 10bit-50MSPS Pipeline ADC Dedicated for Front-end Ultrasonic Receivers,” IEEE International Conference on Microelectronics, 2002 

[27] K. El-Sankary, A. Assi, and M. Sawan, “A New Time-Interleaved Architecture for High-Speed A/D Converters,” IEEE Digital and Comp. Video, 2002.

Professional Affiliations: 

-  Registered Professional Engineer in the Association of Professional Engineer.

-  Editor-in-Chief of the Microelectronics and Solid State Electronics Journal (2013- present)

-  Chair of Atlantic Canada IEEE Circuits and Systems/Solid State Circuits chapters (2008-)