Apparatus for calibrating a time-interleaved analog-to-digital converter
US10601434B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2019 |
| Grant date | Mar 24, 2020 |
| Priority date | — |
| Expiry date | Mar 29, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/08
- WIPO fieldTelecommunications
- 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 an analog signal generation circuit configured to generate an analog calibration signal based on a digital calibration signal representing one or more digital data sequences for calibration. The analog calibration signal is a wideband signal. Further, the apparatus includes a coupling circuit configured to controllably couple an input node of the time-interleaved analog-to-digital converter to either the analog signal generation circuit or to a node capable of providing an analog signal for digitization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.