Call Progress Tone Detector
1. Block Diagram
CLOCK /
XTAL
XTAL
ENABLE
3
CLOCK
SIGIN
C1
SLICER
SIGNAL
ANALYZER
MX643 - Preliminary Information
VDD
VSS
VDD
C2
CONTROL
LOGIC
DETECT1
DETECT2
DETECT3
Note: XTAL used for 16-pin SOIC (MX643DW) only.
Figure 1: Block Diagram
© 1996 MX•COM, INC.
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Doc. #20480148.001