Sigma-delta modulator
US8427350B2 · kind B2 · utility
1Cited by
7References
2Claims
0Family size
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Key dates
| Filing date | Oct 21, 2009 |
| Grant date | Apr 23, 2013 |
| Priority date | — |
| Expiry date | Jan 24, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M3/436
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A sigma-delta modulator (400) 400, 500, 600) for converting an input signal (X(s)) (X(s)) to a quantized output signal (Y(z)) (Y(z)), in which a feedback loop is provided between a filter (402) and a quantizer (403) of the modulator, the feedback loop configured to reduce quantization errors from the modulator by filtering and subtracting quantization noise fed back to an input of the quantizer (403).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.