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Digital filter realizations using a special-purpose stored-program computer

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2 Author(s)
White, R. ; Eglin Air Force Base, Fla ; Nagle, H., Jr.

A special-purpose computer is organized to realize a second-order digital filter in a choice of 11 programming forms. Instructions for the forms are stored in a fast-access READ-ONLY memory. Also, a hard-wired multiplier is employed in the Arithmetic Unit to decrease computation time. The multiplier is organized into uniform functional blocks that are suitable for large-scale integration (LSI). A computer-aided design (CAD) program may be used to select the best filter programming form for a given filter transfer function D(z) . The CAD program also aids in the location of the binary point in the data registers of the computer.

Published in:

Audio and Electroacoustics, IEEE Transactions on  (Volume:20 ,  Issue: 4 )