# A 3.5 GHz Digital Fractional-N PLL Frequency Synthesizer Based on Ring Oscillator Frequency-to-Digital Conversion

> Research article (IEEE Journal of Solid-State Circuits, 2015) · cited 21× · AI/ML

**Wikidata**: [openalex:W2174272802](https://www.wikidata.org/wiki/openalex:W2174272802)  
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