91´«Ã½

Ximing Fu

B.Eng., M.ASc., Ph.D. (Dalhousie)

  • Assistant Professor
Contact Information
Research Interests
  • Low-dropout regulators: capacitor-less and hybrid LDOs
  • DC-DC converters: buck, boost, switched-capacitor, and hybrid converters
  • Data converters: SAR, noise-shaping SAR, time-interleaved SAR, pipeline, sigma-delta (ΔΣ), flash, and VCO-based ADCs
  • Clock generation: PLLs for radar and wireless SoCs
  • ESD protection and reliability of SoCs
  • On-chip sensing and background calibration for transceiver SoCs
  • Precision analog circuits: bandgap references, lock-in amplifiers, and sensor interfaces
  • Low-power wireless receivers
Prospective Students
  • I am recruiting MASc/MEng students for 2027 in analog and mixed-signal IC design. Interested students, please email your CV and transcripts.
Teaching
  • ECE 6810 / ENGI 9834: Power Electronics (Fall 2026)
Journal Papers
  1. P. Leduc*, X. Fu, and Y. Zhou, "A 430-mA Capacitor Less Analog Assisted Hybrid LDO With Fast Transient Algorithm," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 72, no. 8, pp. 3733–3743, 2025, doi: 10.1109/TCSI.2025.3539582.
  2. M. Zareie, K. El-Sankary, E. El-Masry, and X. Fu, "An Open-Loop VCO-ADC Based on a Linearized Current Control Technique," IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 32, no. 3, pp. 587–591, 2024.
  3. T. Han, F. Zhao, X. Fu, X. Cai, W. Yan, H. Zhao, W. Zhao, and B. Li, "A Precision Current Sensing Circuit with Chopper Amplifier of Symmetric Topology," Microelectronics Journal, vol. 146, Art. no. 106103, 2024.
  4. X. Fu, D. M. Colombo, Y. Yin, and K. El-Sankary, "Low Noise, High PSRR, High-Order Piecewise Curvature Compensated CMOS Bandgap Reference," IEEE Access, vol. 10, pp. 110970–110982, 2022.
  5. X. Fu, D. M. Colombo, H. H. Alamdari, Y. Yin, and K. El-Sankary, "Lock-In Amplifier for Sensor Application Using Second Order Harmonic Frequency With Automatic Background Phase Calibration," IEEE Sensors Journal, vol. 22, no. 16, pp. 16067–16080, 2022.
  6. X. Fu and K. El-Sankary, "A 14.5-Bit ENOB, 10MS/s SAR-ADC With 2nd Order Hybrid Passive-Active Resonator Noise Shaping," IEEE Access, vol. 10, pp. 54589–54598, 2022.
  7. X. Fu, K. El-Sankary, Y. Ge, Y. Yin, and D. Truhachev, "A Blind Background Calibration Technique for Super-Regenerative Receivers," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 69, no. 2, pp. 344–348, 2022.
Conference Papers
  1. P. Leduc*, X. Fu, and Y. Zhou, "A 3.04-fs FoM Hybrid LDO Regulator with Fast Transient Algorithm and Wide Load Range," in Proc. IEEE 67th International Midwest Symposium on Circuits and Systems (MWSCAS), Springfield, MA, USA, Aug. 2024, pp. 581–585.
  2. P. Leduc*, X. Fu, Y. Zhou, and K. El-Sankary, "A Dual Loop Current Mode Feedback Capacitor Less LDO for High Current Applications," in Proc. 22nd IEEE Interregional NEWCAS Conference (NEWCAS), Sherbrooke, Canada, Jun. 2024, pp. 298–302.
  3. X. Fu, Y. Zhou, P. Leduc*, and K. El-Sankary, "A High-Speed Capacitor Less LDO with Multi-Loop Fast Feedback and Bandwidth Enhancement Control," in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), Monterey, CA, USA, May 2023, pp. 1–5.
  4. X. Fu, Y. Zhou, and K. El-Sankary, "Design of High-Bandwidth, High-DC Gain Single-Stage Amplifier for High-Speed ADCs," in Proc. IEEE Canadian Conference on Electrical and Computer Engineering (CCECE), Halifax, Canada, Sep. 2022, pp. 219–223.
  5. Y. Yin, K. El-Sankary, Z. Chen, and X. Fu, "A Type-II Analog PLL with Time-Domain Processing," in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), Daegu, Korea, May 2021, pp. 1–5.
  6. X. Fu, K. El-Sankary, and Y. Yin, "A High-Performance OTA With Hybrid of Inverter-Based OTA and Nauta OTA For High-Speed Applications," in Proc. IEEE International Symposium on Circuits and Systems (ISCAS), Daegu, Korea, May 2021, pp. 1–5.
  7. X. Fu, K. El-Sankary, and Y. Yin, "A Pulse Injection Background Calibration Technique for Charge Pump PLLs," in Proc. 18th IEEE International New Circuits and Systems Conference (NEWCAS), Montreal, Canada, Jun. 2020, pp. 98–101.
  8. Y. Ge, X. Fu, Y. Yin, and K. El-Sankary, "Design of a High-Speed RF Envelope Detector with Dynamic Load and Derivative Superposition Techniques," in Proc. 18th IEEE International New Circuits and Systems Conference (NEWCAS), Montreal, Canada, Jun. 2020, pp. 62–65.
Links