North Carolina State University

Microelectronics Center of N.c.

Nc State University

Thomas A Hughes, Jr

Wentai Liu

Ralph K Cavin, Iii

William T Krakow

Carl T Gray

A data signal may be sampled at high speed using a clock signal by propagating the data signal and the clock signal through a series of data and clock delay elements, respectively, and latching the corresponding delayed data and clock signals. The sampling speed is thereby controlled by the relative skew between the clock and data signals, which can be made relatively small and may be limited only by noise and random variations in fabrication. Accordingly, high speed sampling may be obtained.

Method and apparatus for high speed digital sampling of a data signal

A method and apparatus for rasterizing a two-dimensional fast Fourier transform of a size N.times.N using a pipelined butterfly computational unit with 2logN processors. The invention avoids the problems associated with transposing the matrix so that the data can be continuously driven into the arithmetic processors in a pipelined fashion. It is devised for realtime applications using raster scan or serial input and output devices.

Method and apparatus for processing multi-dimensional data to obtain a

Growing community of inventors

Raleigh, NC, United States of America

Thomas A Hughes, Jr