Digital sine generator

Details Digital sine generator Digital sine generator

1987-01-28

1989-08-22

Harkcom, Gary V.

Boots, shoes, and leggings

G06F 300

Patent

active

048602388

ABSTRACT:
A digital sine generator for providing fine resolution digital signals, more particularly 16-bit signals, includes a first computer for the selection of argument values and a second computer for the determination of the function values. Equidistant values or equally spaced points are selected as argument values on a periodic zig-zag characteristic so that for the function formation with the sine values in the range of the arguments between -.pi./2 and +.pi./2 is found to be sufficient. For the calculation of the sine values, a specific 7th order polynomial is used which can be implemented by five successive simple computations as a consequence of optimum selection of the coefficients.

REFERENCES:
patent: 3597599 (1971-08-01), Melvin
M. Cukier, "Programmable Digital Frequency Synthesizer", IBM Technical Disclosure Bulletin, vol. 24, No. 1B, Jun. 1981, pp. 512-513.

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