Polar SiGe Class E and F Amplifiers Using Switch-Mode Supply Modulation

@article{Kitchen2007PolarSC,
  title={Polar SiGe Class E and F Amplifiers Using Switch-Mode Supply Modulation},
  author={J. Kitchen and Ilker Deligoz and Sayfe Kiaei and Bertan Bakkaloglu},
  journal={IEEE Transactions on Microwave Theory and Techniques},
  year={2007},
  volume={55},
  pages={845-856}
}
Two integrated polar supply-modulated class E and F power amplifiers (PAs) in 0.18-mum SiGe BiCMOS process are presented. The amplifiers are used to transmit GSM-EDGE signals with an envelope dynamic range of 11 dB and a frequency range of 880-915 MHz. The amplifiers use switch-mode dc-dc buck converters for supply modulation, where sigma-delta (SigmaDeltaM), delta (DeltaM), and pulsewidth modulation are used to modulate the PA amplitude signal. A framework has been developed for comparing the… CONTINUE READING
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