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MX643 Datasheet(PDF) 10 Page - CML Microcircuits

Part # MX643
Description  International Special Information Tone Identification
PDF  12 Pages
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Manufacturer  CMLMICRO [CML Microcircuits]
Direct Link  http://www.cmlmicro.com
Logo CMLMICRO - CML Microcircuits

MX643 Datasheet(HTML) 10 Page - CML Microcircuits

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Call Progress Tone Detector
MX643 - Preliminary Information
© 1996 MX•COM, INC.
Tele: 800 638 5577, 910 744 5050, Fax: 910 744 5054
Doc. #20480148.001
10
SIGIN
DETECT1
ENABLE
No Signal
0 Level
Non Call
Progress Signal
Non Call
Progress Signal
DETECT2
DETECT3
tNRP
tI
tNG
tL
tNDRP
Note: DETECT3 is logic high only when the Call Progress Signal, or the Non Call Progress Signal is a single frequency tone.
Figure 4: Timing Diagram: Non Call Progress Signal
SIGIN
DETECT1
ENABLE
No Signal
Call Progress
Low Band
Non Call
Progress Signal
Call Progress
Low Band
DETECT2
DETECT3
tDRP
tCH
tNRP
tRP
tRP
Note: DETECT3 logic high only when the Call Progress signal, or the Non Call Progress signal is a single frequency tone.
Figure 5: Timing Diagram: Call Progress Tone(s) to Non Call Progress Signal
SIGIN
DETECT1
DETECT2
ENABLE
No Signal
Special
Information
Tone
Special
Information
Tone
Special
Information
Tone
Special
Information
Tone
DETECT3
0 Level
0 Level
tI
tL
tGD
tRP
tDRP
tRP
tGI
tGDR
tRP
tDRP
Figure 6: Timing Diagram: Special Information Tones



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