Circuit and method for generating reference signals for hybrid analog-to-digital convertors
US9866233B1 · kind B1 · utility
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6References
19Claims
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Key dates
| Filing date | Jun 23, 2017 |
| Grant date | Jan 9, 2018 |
| Priority date | — |
| Expiry date | Jun 23, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/44
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An embodiment circuit includes a first reference source configured to provide a first reference signal to an analog-to-digital convertor (ADC). The circuit also includes a filter coupled to an output of the first reference source and configured to filter the first reference signal to produce a filtered first reference signal. The circuit further includes a second reference source coupled to an output of the filter. The second reference source is configured to provide a second reference signal to the ADC, and the second reference signal is generated based on the filtered first reference signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.