Universal Call Progress Decoder

The FX613 is a wide-band, N-Tone, non-predictive Tone decoder to measure telephone system call progress Tones in PABX, Pay/Feature-Phone, Fax and Modem systems. Adhering to Must/Must-Not Decode limits and able to measure inband frequencies in outband modulation, this decoder measures the frequency of input signals in the range 300Hz to 2,150Hz; the result of each measurement is presented to a system Processor, as a 6-bit serial word. By Consumer Microcircuits Limited
FX613 's PackagesFX613 's pdf datasheet

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FX613 Application circuits
FX613 circuits
This is one application circuit of FX613,If you need more circuits,please download FX613's pdf datasheet.

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