Double-sampled .SIGMA..DELTA. modulator of second order having a semi-bilinear architecture
US6184811A · kind A · utility
17Cited by
7References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 1998 |
| Grant date | Feb 6, 2001 |
| Priority date | — |
| Expiry date | Sep 2, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M3/438
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A second-order double-sampled .SIGMA..DELTA. analog/digital converter uses two fully differential switched-capacitor integrators coupled in cascade. The first integrator has a fully-floating double-sampled, bilinear switched capacitor input structure. The second integrator has a double-sampled lossless discrete integrator (LDI) switched-capacitor input structure. The converter achieves an excellent SNR with a reduced number of switches for low power consumption.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.