Apparatus for calibrating a time-interleaved analog-to-digital converter
US10868556B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2020 |
| Grant date | Dec 15, 2020 |
| Priority date | — |
| Expiry date | Feb 25, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/1215
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An apparatus for calibrating a time-interleaved analog-to-digital converter including a plurality of time-interleaved analog-to-digital converter circuits is provided. The apparatus includes a clock generation circuit configured to generate a plurality of phase shifted clock signals for the plurality of time-interleaved analog-to-digital converter circuits and a reference clock signal. Further, the apparatus includes a reference signal generation circuit configured to generate a reference signal based on the reference clock signal. The reference signal is a square wave signal. The apparatus additionally includes a coupling circuit configured to controllably couple an input node of the time-interleaved analog-to-digital converter to either the reference signal generation circuit or to a signal node capable of providing an analog signal for digitization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.