Calibration method for precision signal chain linearity
US10873338B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2019 |
| Grant date | Dec 22, 2020 |
| Priority date | — |
| Expiry date | Jul 30, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/0678
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An electronic circuit comprises an input voltage circuit, an analog-to-digital converter (ADC) circuit, and logic circuitry. The input voltage circuit is configured to generate multiple input voltages. The ADC circuit is configured to convert the multiple input voltages to first digital values using the first longer ADC acquisition time and convert the multiple input voltages to second digital values using the second shorter ADC acquisition time. The logic circuitry is configured to determine calibration information for the ADC circuit using the first digital values and the second digital values, and scale analog-to-digital (A/D) conversion results of the ADC circuit using the calibration information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.