Analog-to-digital conversion apparatus

Details Analog-to-digital conversion apparatus Analog-to-digital conversion apparatus

G - Physics

06

G

354/73

G06G 7/22 (2006.01) G06F 7/66 (2006.01) G06F 7/68 (2006.01) H03M 1/00 (2006.01)

Patent

CA 1054720

PATENT APPLICATION ANALOG-TO-DIGTAL CONVERSION APPARATUS BY MELVIN H. RHODES Abstract of the Disclosure Trigonometric conversion apparatus is shown wherein a trial angle is generated and converted to digital sine and cosine of that angle. These digital angle signals are then multiplied times analog cosine and sine respectively and their products are compared wherein the difference is used to adjust the initially generated trial angle. When the difference in the two products is zero, the trial angle is considered correct. By measuring the amount of angle change for given time periods 2 rate output is also provided.

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