Professional Affiliations

IEEE

SPIE

North Carolina Board of Engineers and Land Surveyors

NSPE

Professional Patents

D. Binkley, R. Makki, T. Weldon, A. Chehab, US patent 7,148,717, "Methods and apparatus for
testing electronic circuits," Dec. 12, 2006.

T. P. Weldon, US patent 6,943,628, "Methods and apparatus for substantially reducing nonlinear
distortion," Sept.13, 2005.

T. P. Weldon, US patent 6,906,585, "Method and Apparatus for cancellation of third order
intermodulation distortion and other nonlinearities," June 14, 2005.

T. P. Weldon, US patent 6,853,247, "Methods and apparatus for using Taylor series expansion
concepts to substantially reduce nonlinear distortion," Feb. 8, 2005.

T. P. Weldon, US patent 6,853,248, "Methods and apparatus for substantially reducing nonlinear
distortion using multiple nonlinear devices," Feb. 8, 2005.

T. P. Weldon, US patent 6,794,938, "Method and Apparatus for cancellation of third order
intermodulation distortion and other nonlinearities," Sept. 21, 2004.

Recent Projects and Results

Research on patented "super-linear transistors" for wireless RF integrated circuits (RFIC)
consisting of a PMOS FET in parallel with an NMOS FET, using new patented methods and
patent-pending methods. See also patents below and IEEE RFIC 2005 paper on "super-linear
transistors."

NSF funded research on patented linearization methods for wireless RF integrated circuits (RFIC)
that can enable reductions in cost, size, and power consumption of cellular phones. See also US
Patents 6,794,938, 6,853,247, 6,853,248, and MixSig Labs, Inc. for commercialization.

Multiresolution design of Gabor Filter Banks for image segmentation with simultaneous design of
both: 1) a set of tuned Gabor filters, and 2) an accompanying Bayesian classifier. See also
Optical Engineering 1999.

Ground penetrating radar (GPR) for detection of land mines, including propagation models, target
models, and image formation (in conjunction with Mathematics department). See also IEEE
ICASSP 2001 paper.

DARPA funded research on patented Built-In Self-Test (BIST) methods for digital circuits
including SRAM, using analog voltages and controlled-width power supply pulses (controlled-
Iddt). See also US Patent 6,833,724 for BIST.

Recent Publications

T. P. Weldon, "Removal of Image Segmentation Boundary Errors Using an N-ary Morphological Operator," IEEE Southeastcon 2007, Richmond, VA, March 12-15, 2007.

D. T. Lieu and T. P. Weldon, "Reduced Current Class AB Radio Receiver Stage Using Novel Superlinear Transistors with Parallel NMOS and PMOS Transistors at One GHz," IEEE Southeastcon 2007, Richmond, VA, March 12-15, 2007.

C. Mack, V. Mogallapu, A. Willis, and T. Weldon, Exploiting Typical Clinical Imaging Constraints for 3D Outer Bone Surface Segmentation, IEEE Southeastcon 2007, Richmond, VA, March, 2007.

T. P. Weldon, "Improved Image Segmentation with a Modified Bayesian Classifier," 2006 IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, Toulouse, FR, May 2006.

T. P. Weldon, D. T. Lieu, and M. J. Davis, "Experimental Results at One GHz on Linearizing an NMOS Transistor with a Parallel PMOS Transistor,"2005 IEEE Radio Frequency IC Symposium (RFIC 2005) , Long Beach, CA, June 2005.

Research Grants

National Science Foundation, "SBIR Phase I: Novel Linearizer for Wireless Integrated Circuits." PI
T. Weldon, 2003

DARPA NeoCAD, "A Comprehensive Design and Test Methodology for Mixed-Signal Systems,"
Co-PI with M. Emmert, D. Binkley, C. Stroud, and R. Makki, 2001-2004

National Science Foundation, "Test Solutions for Next-Generation Embedded Memory," Co-PI with
R. Makki, 2000-2004

US Army (through Dynetics, Inc.), "System Design and Development of a Portable Josephson
Junction Intrinsic Standard" (~$100,000 ), Co-PI with J. Cuttino, 2001-2004

Ground Penetrating Radar, US Army office of Research, 1998-2000, collaboration with
Math Department PI M. Klibanov.

RF Design Seminar Solectron Corporation , Charlotte, NC, 1999.

Educational Background

B.S. Electrical Engineering, Penn State, University Park, PA 1979

M.Eng. Engineering Science, Penn State, Great Valley, PA 1989

Ph.D. Electrical Engineering, Penn State, University Park, PA 1995