Analog-to-digital converter with dither control
US7215267B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 19, 2005 |
| Grant date | May 8, 2007 |
| Priority date | — |
| Expiry date | Dec 19, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M3/458
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An analog-to-digital converter system comprises an analog-to-digital converter and a dither generator. The analog-to-digital converter receives an analog input signal and generates a digital signal that is proportional to the analog input signal. The output of the analog-to-digital converter is dominated by quantization error. The dither generator is responsive to a user-controlled input for generating an output signal. An adder sums the digital signal from the analog-to-digital converter with the output signal from the dither generator to provide a summed signal. The summed signal is either dominated by quantization noise or is properly dithered depending upon the user-controlled input.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.