Multiplying analog-to-digital converter and pipeline analog-to-digital converter using the same
US8928504B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 5, 2013 |
| Grant date | Jan 6, 2015 |
| Priority date | — |
| Expiry date | Feb 5, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/44
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A multiplying analog-to-digital converter is provided. A sample-and-hold unit samples an analog signal, to obtain a sample level. A analog-to-digital converting unit converts the analog signal to a digital signal. A digital-to-analog converting unit converts the digital signal to a recovered signal level. A operating unit provides an output signal according to the difference between the sample level and the recovered signal level. A comparator compares a level of the output signal with an upper threshold level and a lower threshold level, and accordingly provides an indicating signal, wherein the upper and lower threshold levels define a predetermined level range. When the indicating signal indicates that the level of the output signal is outside the predetermined level range, a controller shifts a value of the digital signal and accordingly provides an adjusted digital signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.