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FX663D4 Datasheet(PDF) 1 Page - CML Microcircuits |
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FX663D4 Datasheet(HTML) 1 Page - CML Microcircuits |
1 / 17 page CML Semiconductor Products Call Progress Decoder FX663 © 1999 Consumer Microcircuits Limited D/663/3 January 1999 1.0 Features Provisional Issue •• Decodes Call Progress Tones Worldwide covering: •• Low-Power (3 Volt) Operation •• Adjustable Detection Threshold •• Single and Dual Tones •• Fax and Modem Answer/Originate Tones •• Special Information Tones •• Fast 'US Busy' Tone Detector •• Voice Detector •• Standard 3.58MHz Xtal/Clock Input •• 16-Pin SOIC and DIP Packages 1.1 Brief Description 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: • Single and dual tone decoding for better cross-system Call Progress monitoring. • "US Busy" tone detector, saving time needed for "cadence verification" under Busy and Unobtainable conditions. This incorporates a separate 620Hz detector for improved response. • A detector to indicate speech and non-call progress signals; this reduces voice falsing of call progress tones and adds Voice-Answer detection as a "connected" prompt. • A fax and modem tone decoder. • A separate, adjustable threshold, signal-level detector which reduces noise falsing. The FX663 uses new digital signal processing techniques to provide these advantages. It is a low cost, low power product with superior performance. It is available in industry standard 16-pin packages. |
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