Call Progress Decoder

The FX663 decodes the standard audible Tone signals provided by telecom systems worldwide to indicate Dial, Ringing, Busy, Unobtainable and other stages of a call attempt. It provides the key features needed for intelligent, full-function, call progress monitoring by applications involving machine dialling or Automatic call placement. The FX663 also incorporates the following features: By Consumer Microcircuits Limited
FX663 's PackagesFX663 's pdf datasheet

FX663 Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
FX663 Application circuits
FX663 circuits
This is one application circuit of FX663,If you need more circuits,please download FX663's pdf datasheet.

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