AN ALL-DIGITAL AUTOMATIC GAIN CONTROL (CONTAINS SCANNED TEXT)

This report describes an all-digital implementation of an AGC on a TMS320C17 DSP. The AGC is designed specifically for modem applications.

- The first section provides an overview of modem receiver structure and implementation.

- The second section discusses the AGC block diagram and the motivation for using an AGC in a modem receiver.

- The third section covers the AGC hardware and software implementation aspects on a TMS320C17 DSP.

- Appendix A provides QAM Signal Energy data.

- Appendix B gives an overview on Fractional Number Representation.

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