A fully integrated CMOS frequency synthesizer for Bluetooth
- Theil, D.
- Durdodt, C.
- Hanke, A.
- Heinen, S.
- van Waasen, S.
- Seippel, D.
- Pham-Stabner, D.
- Schumacher, K.
Publication date
January 2001
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE)Abstract
A low power, fully integrated 2.4 GHz fractional-N frequency synthesizer for Bluetooth in a 0.25 /spl mu/m CMOS technology is presented. The complete synthesizer, including a fully integrated VCO, consumes 22 mA from a 2.5 V supply. The integrated VCO reaches a phase noise of -133 dBc/Hz at 3 MHz. The synthesizer is designed for a direct /spl Sigma//spl Delta/-modulation of the PLL
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