Linear expansion based sine generator

Details Linear expansion based sine generator Linear expansion based sine generator

1997-11-17

2000-10-03

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synthesizer

327129, 36471803, 364721, H03B 2100

Patent

active

061278602

ABSTRACT:
An apparatus and method for generating a sine wave signal for a desired phase input. The sine wave signal is generated by implementing a linear expansion of the sine function. An incoming phase value is divided into a base phase value and an incremental phase value. The sine value for each base phase value is stored in a look-up table. The sine values for phase values falling between base phase values are generated using a linear expansion of the sine function.

REFERENCES:
patent: 4975699 (1990-12-01), Frey

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