Digital generation of RF signals for wireless communications with band-pass delta-sigma modulation

@article{Keyzer2001DigitalGO,
  title={Digital generation of RF signals for wireless communications with band-pass delta-sigma modulation},
  author={Janet M Keyzer and Jeffrey Hinrichs and Adriati E. Metzger and Masaya Iwamoto and Ian Galton and Peter M. Asbeck},
  journal={2001 IEEE MTT-S International Microwave Sympsoium Digest (Cat. No.01CH37157)},
  year={2001},
  volume={3},
  pages={2127-2130 vol.3}
}
This paper demonstrates a high speed digital technique to produce binary (digital) signals that encode representative RF signals (with time varying envelope) as needed for wireless communications. Specifically, it shows that IS-95 format CDMA signals can be generated with a single bit digital data stream at 3.6 Gb/S. The technique uses band-pass delta-sigma modulation so that the quantization noise is shaped out of the frequency band of interest. This approach points the way to single-chip, DSP… CONTINUE READING

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Class S Power Amplifiers for RF Systems ( using Bandpass Delta - Sigma Modulators )

  • J. Arun M. Iwamoto, G. Hanington, +4 authors P. M. Asbeck

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