Digital RF converter, digital RF modulator and transmitter including the same
US8542773B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2010 |
| Grant date | Sep 24, 2013 |
| Priority date | — |
| Expiry date | Nov 4, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M3/50
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A digital RF converter, a digital RF modulator, and a transmitter are provided. The digital RF converter includes a delta-sigma modulated bits (DSMB) sub-block that generates a current magnitude corresponding to least-significant n bits among input signals at a first sampling speed, a least-significant bit (LSB) sub-block that generates a current magnitude corresponding to intermediate k bits among the input signals at a second sampling speed lower than the first sampling speed, and a most-significant bit (MSB) sub block that generates a current magnitude corresponding to most-significant m bits among the inputs signals at the second sampling speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.