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:
Dec. 27, 2005
Filed:
Aug. 28, 2003
Lukas Doerrer, Villach, AT;
Antonio Digiandomenico, Villach, AT;
Andreas Wiesbauer, Portschach, AT;
Infineon Technologies AG, München, DE;
Abstract
A quantizer for a sigma delta modulator comprising at least one preliminary stage V, V), the quantizer quantizing an input signal (E) present at it in accordance with at least one threshold signal (y) and outputting it as a result value (y) at a digital result output (OUT), wherein the quantizer has a number of comparators () corresponding to the number of threshold signals (y), which compare the input signal (E) with the respective threshold signal (y), the threshold signal being reduced or increased by a correction voltage (y) or a correction current, the correction voltage or correction current being generated in accordance with the result value (y) output at the result output (OUT).