A ΔΣ fractional-N frequency synthesizer with a multi-band PMOS VCOs for 2.4 and 5GHz WLAN applications
- Rogers, J. (John)
- Cavin, M. (Mark)
- Dai, F. (Foster)
- Rahn, D. (Dave)
Publication date
December 2003
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE)Abstract
This paper presents a fully integrated multi-band frequency synthesizer architecture. The synthesizer is a ΔΣ based fractional-N frequency synthesizer with three on-chip LC tuned VCOs to cover the entire frequency bands specified in IEEE802.11b, and 802.11a WLAN standards. The synthesizer includes a ΔΣ shaper, a dead-zone-free phase frequency detector and
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