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:
Sep. 28, 2004
Filed:
Jun. 28, 2002
Applicant:
Inventors:
Steven J. Tanghe, Essex Junction, VT (US);
Sharon L. Von Bruns, Westford, VT (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 1/314 ; H01H 3/102 ; H03M 1/10 ;
U.S. Cl.
CPC ...
G01R 1/314 ; H01H 3/102 ; H03M 1/10 ;
Abstract
A method and apparatus for testing ADC circuitry. The method and apparatus detects infrequently occurring errors by providing a series of waveforms to the ADC that have different amplitude, frequency, or voltage offset from one another. The outputs of the ADC for the waveforms are then analyzed for timing related errors.