The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 28, 1997
Filed:
Oct. 28, 1994
Applicant:
Inventors:
Assignee:
Harris Corporation, Melbourne, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M / ;
U.S. Cl.
CPC ...
341120 ; 341143 ;
Abstract
An analog to digital converter 10 has a switched capacitor analog modulator 12 with three point calibration. Offset calibration applies on offset correction value in OCR 22 to an uncalibrated digital output. Register 28 holds a desired full scale value, register 24 holds a positive full scale value, and register 26 holds a negative full scale value. Depending upon the polarity of the converted analog signal, the offset corrected digital signal is multiplied by a positive or a negative gain correction factor.
Kornblum, John. (1997). Sigma delta analog to digital converter with three point calibration (U.S. Patent No. 5598157). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5598157
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