Bandpass sigma-delta analog-to-digital converter and mash-sigma-delta converter incorporating same
US6943715B2 · kind B2 · utility
10Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 2002 |
| Grant date | Sep 13, 2005 |
| Priority date | — |
| Expiry date | Sep 21, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M3/454
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
The invention concerns a passband Sigma-Delta analog-to-digital converter comprising a first resonator and a second order second resonator, preferably of second order, whereof the respective central frequencies enable a high SNR in a relatively wide frequency band, and a MASH Sigma-Delta analog-to-digital converter incorporating at least two such cascaded converters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.