Wavefront detection  for use in adaptive optics systems

Analog decoding of digitally-encoded communication signals

Eliminating false codes in high-speed asynchronous A/D conversions

High-speed centroid circuits using analog VLSI

Applying genetic algorithms to circuit design

PI, Speech Recognition in Noise, 2002-2005, DARPA,
An integrated approach to automatic speech recognition in noisy environments: adaptive beamforming, blind signal separation, and biologically-based auditory processing.  Point of Contact PI is Phillip Deleon of NMSU.

Co-PI, The New Mexico Center for Space Science Instrumentation,  2002-2007, NASA,
Specific goals of the program include (a) the development of instrumentation technologies and mission concepts to support space science missions, (b) develop cross-college competencies to build research capabilities and develop University strategic directions, (c) recruit under-represented students for science and technology degree paths, and (d) improve the skills of students in scientific and technical disciplines to assist in increasing the number of graduate degrees. 

Intelligent Satellite Systems, 2000-2001, Air Force Research Lab via ARL, $39K
Design, simulation, layout, verification and static/DC testing of a large array (40 x 40) wavefront reconstructor chip in a 0.5-micron CMOS process.  Jointly develop a star centroiding circuit. 

Smart Vision Chips, 1999, Air Force Research Lab via WSMR, $48K
Integrate a 16x16 CMOS pseudo-resistive array for solving Poisson's equation at a bandwidth of 100 Hz or higher.  Integrate CMOS photodiode arrays for use in subaperture centroid circuits.

VLSI Circuits for a Miniature Adaptive Optics System, 1998, S. Systems, $40K
Develop a micro-power proto-type 2-D Poisson equation solver for real-time reconstruction of image data. Integrate a CMOS photodiode array with subaperture centroiding circuits for use with a Hartmann wavefront sensor.

Freshman/Sophomore Circuits Lab Equipment, 1998, Hewlett-Packard, $48K
Install test and measurement equipment for a new freshman/sophomore electronics circuits laboratory: 8 digitizing oscilloscopes, multi-meters, function generators, and power supplies.

Introduction to VLSI, Analog VLSI Design, 1997, Intel, $18K
Upgrade computers in VLSI laboratory with seven 300 MHz Pentium II workstations.

Modeling of Cochlear Hydrodynamics, 1996-1998
Investigate the pioneering work of Neeley and Watts. Develop insight into the mechanical model. Design and test analog VLSI building blocks to be used in a hardware implementation.

Programmable-Gain Floating-Gate Amplifiers, 1997-1998 
Design nano-power fixed-gain amplifier using floating gate-technology.