Adjusting tuning segments in a digitally-controlled oscillator
US9490825B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 23, 2013 |
| Grant date | Nov 8, 2016 |
| Priority date | — |
| Expiry date | Aug 9, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03L2207/06
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A circuit may include a digitally-controlled oscillator including a coarse frequency-tuning array with a multiple selectable coarse frequency-tuning segments. Each of the coarse frequency-tuning segments may have a coarse segment frequency step size. The digitally-controlled oscillator may also include a fine frequency-tuning array with multiple selectable fine frequency-tuning segments. The fine frequency-tuning array may have a fine array frequency step size that is at least twice the coarse segment frequency step size. The digitally-controlled oscillator may be configured to generate an output signal with a frequency based on the coarse frequency-tuning array and the fine frequency-tuning array.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.