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An all digital automatic gain control

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3 Author(s)
Lovrich, A. ; Texas Instrum. Inc., Houston, TX, USA ; Troullinos, George ; Chirayil, R.

A digitally implemented automatic gain control (AGC) technique developed for a modem receiver design is described. The modem's signal-processing software is integrated with the AGC, thereby allowing the designer to have control over the overall performance and characteristic features of the modem at a lower cost. Such features include complex functions such a equalization freeze, data carrier, and voice detect. By eliminating a hardware-implemented AGC, an overall system cost reduction is accomplished. The AGC has been incorporated in a commercial QAM/DPSK/FSK modem design, where its performance has been shown to be comparable to that of current approaches

Published in:

Acoustics, Speech, and Signal Processing, 1988. ICASSP-88., 1988 International Conference on

Date of Conference:

11-14 Apr 1988