Precise Frequency Detector Modification and Special Tone Generation

By: Jeff Sorensen

Abstract: Although the Teridian 73M2901CE single-chip V.22bis modem is preprogrammed for most low-speed dial-up applications, it can detect or generate tones that are not part of its default set. This application note describes the procedure for modifying detect frequencies of the 73M2901CE’s precise call progress filters.

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73M2901CE Free Sample
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APP 5015:
APPLICATION NOTE 5015,AN5015, AN 5015, APP5015, Appnote5015, Appnote 5015