The BRADLEY DEPARTMENT of ELECTRICAL and COMPUTER ENGINEERING

ECE FACULTY

Dong S. Ha

Picture of Dong S. Ha

Office:
470 Whittemore

Mailing Address:
302 Whittemore (0111)
Virginia Tech
Blacksburg, VA 24061

(540) 231-4942
(540) 231-3362
ha@vt.edu


Education:

Ph.D., Electrical and Computer Engineering, Univserity of Iowa, 1986
M.S., Electrical and Computer Engineering, University of Iowa, 1984
B.S., Electrical Engineering, Seoul National University, Korea, 1974

Teaching Interests:

Analog IC Design, RF IC Design, Power Management Circuits for Energy Harvesting, Electronic Circuits

Research Interests:

Analog / RF ICs, Circuits, and Systems

  • Energy Harvesting ICs and Circuits
  • Power Management ICs
  • High Temperature RF Circuits, ICs, and Systems

Selected Publications:
  • Title: A Self-powered and Optimal SSHI Circuit Integrated with an Active Rectifier for Piezoelectric Energy Harvesting
    Author(s): L. Wu, X.-D. Do, S.-G. Lee, and D.S. Ha
    Journal: to appear in IEEE Trans. on Circuits and Systems I: Regular Papers., 9999
  • Title: Piezoelectric Energy Harvesting: Materials, Methods, and Circuits
    Author(s): S. Priya, Y. Zhou, A. Chopra, S.-G. Kim, I. Kanno, L. Wu, D.S. Ha, and J. Ryu
    Journal: to appear in Energy Harvesting and Systems, 9999
  • Title: Dual Use of Power Lines for Design-for-Testability (DFT) - A CMOS Receiver Design
    Author(s): J.M. Salem and D.S. Ha
    Journal: IEEE Transactions on Very Large Scale Integration (VLSI) Systems, 1118 - 1125, March, 2016
  • Title: A Self-Powered High-Efficiency Rectifier with Automatic Resetting of Transducer Capacitance in Piezoelectric Energy Harvesting Systems
    Author(s): X.-D. Do, H.-H. Nguyen, S.-K. Han, D.S. Ha, and S.-G. Lee
    Journal: IEEE Transactions on Very Large Scale Integration (VLSI) Systems, 444-453, March, 2015
  • Title: A High Temperature Active GaN-HEMT Downconversion Mixer for Downhole Communications
    Author(s): J. Salem and D.S. Ha
    Conference: International Symposium on Circuits and Systems, pp. 946-949, May 2016
  • Title: A High Temperature Wideband Low Noise Amplifier for Downhole Applications
    Author(s): M.L. Cunningham, D.S. Ha, and K.-J. Koh
    Conference: International Symposium on Circuits and Systems, pp. 938-941, May 2016
  • Title: Design of High Temperature Combline Band-pass Filters for Downhole Communications
    Author(s): M. Ehteshamuddin, J. Salem, and D.S. Ha
    Conference: International Conference on High Temperature Electronics, pp. 312-317, May 2016
  • Title: A High Temperature Passive GaN-HEMT Mixer for Downhole Communications
    Author(s): J. Salem and D.S. Ha
    Conference: International Conference on High Temperature Electronics, pp. 272-277, May 2016
  • Title: A Solar Energy Harvesting System for a Portable Compact LED Lamp
    Author(s): J.H. Hyun, D.S. Ha, D.D. Han, and C.-M. Kyung
    Conference: 41st Annual Conference of the IEEE Industrial Electronics Society (IECON 2015), November 2015
  • Title: A Two-phase Buck Converter with Optimum Phase Selection for Low Power Applications
    Author(s): T. Yeago, J.H. Hyun, D.S. Ha and Q. Li
    Conference: IEEE Energy Conversion Congress and Exposition (ECCE), September 2015