Tone Detector
3
1. Block Diagram
MX105A PRELIMINARY INFORMATION
C4
C2A 7
8
C2B
R2
4
Loop
Filter
-+
Tone In
R3
C5
2 Input Amp 1
3
-
VDD/2
Timing
Logic
Detect
Filter
-+
VDD
16
C6
5 C3A
6
C3B
11
R4
12
VCO
Detect Counter
13 15 14
MX105A
C1B
R1
C1A
10
9
Detect
RL
Out
Figure 1: Block Diagram
© 1997 MX•COM, INC.
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