Monolithic supply modulated RF power amplifier and DC-DC power converter IC

@article{Abedinpour2003MonolithicSM,
  title={Monolithic supply modulated RF power amplifier and DC-DC power converter IC},
  author={Siamak Abedinpour and K. Deligoz and Jennifer Desai and M. Figiel and Sayfe Kiaei},
  journal={IEEE MTT-S International Microwave Symposium Digest, 2003},
  year={2003},
  volume={1},
  pages={A89-A92 vol.1}
}
Mobile communication systems require highly efficient, linear, and integrated power amplifiers. This paper reports the results of a monolithic envelope following system implemented in a 0.18 /spl mu/m SiGe BiCMOS process technology. The monolithic envelope following system consists of a synchronous buck DC-DC converter, which is integrated with and provides the power supply for a 900 MHz power amplifier while tracking the envelope of the RF input signal. 
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