Distributed current sources for folding ADC amplifier stages
US7236115B1 · kind B1 · utility
2Cited by
8References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2004 |
| Grant date | Jun 26, 2007 |
| Priority date | — |
| Expiry date | Jan 9, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/366
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A circuit for reducing the maximum magnitude of the total current on each of a plurality of buses for an amplifier stage in a folding analog to digital converter. Each amplifier stage bus couples multiple transconductance circuits to a load. Also, each of the transconductance circuits is configured to output a separate transconductance current to its respective bus. Separate current source circuits are configured to provide a separate source current locally at the output of each of the transconductance circuits such that substantially less than the full amount of each transconductance current reaches the respective bus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.