An integrated 2.5 GHz /spl Sigma//spl Delta/ frequency synthesizer with 5 /spl mu/s settling and 2 Mb/s closed loop modulation

@article{Perrott2000AnI2,
  title={An integrated 2.5 GHz /spl Sigma//spl Delta/ frequency synthesizer with 5 /spl mu/s settling and 2 Mb/s closed loop modulation},
  author={M. H. Perrott and B. Setterberg and A. Grzegorek and Bill McFarland},
  journal={2000 IEEE International Solid-State Circuits Conference. Digest of Technical Papers (Cat. No.00CH37056)},
  year={2000},
  pages={200-201}
}
Three radio communication standards that share common performance requirements are gaining momentum. The 802.11 wireless LAN standard, the Bluetooth radio connectivity protocol, and the HomeRF SWAP home networking protocol all specify frequency hopping radios in the 2.4 GHz band using FSK modulation in a 1 MHz bandwidth. These standards require modest radio performance (compared to cellular systems), but demand small size and low cost. This paper describes a CMOS /spl Sigma//spl Delta… CONTINUE READING
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