Fractional-N frequency synthesizer and method thereof
US10205460B2 · kind B2 · utility
2Cited by
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10Claims
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Key dates
| Filing date | May 9, 2017 |
| Grant date | Feb 12, 2019 |
| Priority date | — |
| Expiry date | Oct 21, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M7/3004
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A fractional-N frequency synthesizer comprising a multi-phase generator, a multi-path error phase generator; a current combiner; a loop filter connected to the current combiner; an oscillator (150) connected to the loop filter; a frequency divider (160); a SDM connected to both the frequency divider and the multi-phase generator, to generate variable division ratio.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.