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:
Feb. 01, 2011
Filed:
Apr. 23, 2009
Koji Asami, Saitama, JP;
Koji Asami, Saitama, JP;
Advantest Corporation, Tokyo, JP;
Abstract
An AD converting apparatus converts an analog input signal into a digital output signal. The apparatus includes a plurality of AD converters that are supplied with sampling clocks differing from each other by a prescribed phase and that each output an individual signal obtained by digitizing the input signal according to the sampling clock supplied thereto, a common compensating section that commonly compensates for prescribed common non-linear distortion in the individual signals, and a plurality of individual compensating sections that each individually compensate for individual non-linear distortion in a corresponding one of the individual signals. The individual non-linear distortion is obtained as a ratio between the non-linear distortion and the common non-linear distortion in each individual signal. The apparatus further includes a combining section that combines the individual signals to generate the output signal.