Lookahead sigma-delta modulator
US6373416B1 · kind B1 · utility
18Cited by
8References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 31, 1999 |
| Grant date | Apr 16, 2002 |
| Priority date | — |
| Expiry date | Mar 31, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M3/43
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A sigma delta modulator apparatus comprising: input means for inputting a current input signal; differencing means for forming the difference between a current input signal and a current output signal; filtering means for filtering the difference so as to produce a filtered difference signal; and output means outputting a minimum or maximum output value so as to substantially minimize the filtered difference signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.