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. 28, 2010
Filed:
May. 27, 2009
Matthias Steiner, Seiersberg, AT;
Matthias Steiner, Seiersberg, AT;
austramicrosystems AG, Unterpremstätten, AT;
Abstract
A sigma-delta converter comprises a sigma-delta modulator (SDM) with a signal processing block (SP) and a quantizer (QNT), as well as a stage adaptation element (DCC). The signal processing block (SP) is designed for deriving a modulated signal (MOD) in dependence on the respective signals at a signal input (SIN) and at a feedback input (FIN). The quantizer (QNT) comprises a quantization input (QIN) that is coupled to the signal output (SOT) and a quantization output (QOT) that is coupled to the feedback input (FIN), wherein the quantizer is designed for deriving a first quantized signal (Q) from the modulated signal (MOD) by quantization with a first number of stages and for outputting this first quantized signal at the quantization output (QOT). The stage adaptation element is coupled to the quantization output (QOT) on the input side and to a converter output (COT) on the output side and is designed for deriving a second quantized signal (Q) with a second number of stages that is smaller than the first number of stages from the first quantized signal (Q).