Apparatus and method for measuring current source mismatches in current-steering DAC by re-using R2R network
US10797720B2 · kind B2 · utility
1Cited by
2References
35Claims
0Family size
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Key dates
| Filing date | Mar 28, 2019 |
| Grant date | Oct 6, 2020 |
| Priority date | — |
| Expiry date | Mar 28, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/785
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A current digital-to-analog converter includes a binary current-generating section configured to generate a binary-weighted current based on a first set of control signals; a unary current-generating section configured to generate a unary-weighted current based on a second set of control signals; and a current combining circuit configured to add or subtract a reference current and a current generated by a current source of the unary current-generating section using the binary-weighted current.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.