Device for testing an analog-to-digital converter
US7443322B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 27, 2006 |
| Grant date | Oct 28, 2008 |
| Priority date | — |
| Expiry date | May 1, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M3/458
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A device for testing an analog-to-digital converter providing a digital signal at a given sampling frequency, comprising a unit for providing a test signal to the converter, the test signal being a periodic signal comprising frequency components only at a fundamental frequency and at harmonics of the fundamental frequency, the fundamental frequency being a multiple of one quarter of the sampling frequency; a filter capable of receiving the digital signal and of rejecting the fundamental frequency to provide a filtered digital signal; and a unit capable of receiving the digital signal and the filtered digital signal and of providing a signal representative of the ratio between the effective powers of the digital signal and of the filtered digital signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.