This project concerns a novel microprocessor structure capable of performing arithmetic and logic operations at a higher speed than presently available microprocessors. moreover, the novel structure appears to offer significant advantages for radiation hardening and built-in self testing. separate… More

The main objective of the overall project (phases i and ii) is to research, develop, fabricate, and evaluate a built-in self-testing multiplier-accumulator for spacecraft applications. phase i is a research and development effort to demonstrate the feasibility of an innovative structure that could… More

The main objective of the overall proposal (phase i and phase ii) is to study and determine the feasibility of a novel differential cmos logic circuit capable of operating one order of magnitude faster than the logic circuits presently used in vlsi applications> the research effort proposed for… More

Advanced spacecraft, space platforms, and transportation vehicles will require several order-of-magnitude improvements in the operational capability and reliability of the guidance, navigation, and control (gn and c) systems. to satisfy these requirements, significant improvements in the throughput… More

The objective of the phase i advanced development effort are to design a highspeed, low-power, standard cell library which is anticipated to provide a factor of 3 increase in the performance-to-power ratio of cmos digital integrated circuits. a novel cmos circuit, called pdl (pipelined differential… More

The correlator chip is intended for the two main application areas in radio astronomy: cross-correlation spectroscopy in aperture synthesis arrays, and autocorrelation spectroscopy at cm and mm wavelengths. the objectives of the research are to design, simulate, and layout a cmos digital correlator… More

Future synthetic aperture interferometric radiometers, such as JPL's New Millenium Program, Geostationary Synthetic Aperture Microwave Sounder (GEO/SAMS) instrument, will employ a thinned array of hundreds of miniaturized receivers and a massively parallel cross-correlator system for digital signal… More

Future synthetic aperture interferometric radiometers, such as JPL's New Millenium Program, Geostationary Synthetic Aperture Microwave Sounder (GEO/SAMS) instrument, will employ a thinned array of hundreds of miniaturized receivers and a massively parallel cross-correlator system for digital signal… More

NASA?s program for Exploration of the Solar System requires high-resolution microwave spectrometers for the analysis of chemical composition and physical properties of solar system atmospheres. The anticipated results of the proposed R/R&D effort (Phase I and II), if the project is successful, are… More

NASA's future Earth-Sun System missions require the rapid development of small, low-cost remote sensing instruments for the analysis of chemical and physical properties of planetary atmospheres. The objective of the proposed project (Phases I and II) is to research, develop, and demonstrate the… More

The scope of this project is to provide a digital auto-correlation spectrometer fabricated on a single integrated circuit for NASA's future Earth-Sun System missions in order to enable the rapid development of small, ultra low-power, low-cost microwave remote sensing instruments for the analysis of… More