Tone Detector
3
MX105A PRELIMINARY INFORMATION
1. Block Diagram
C4
R2
4
2
Tone In
C5
R3
3
Input Amp
-
+
1
V
DD
16
V
DD
/2
C6
C2
A
7
8
Loop
Filter
- +
Detect
Filter
Timing
Logic
- +
5
6
C3
A
C2
B
C3
B
11
R4
12
13
VCO
15
14
Detect Counter
MX105A
9
10
C1
B
R1
C1
A
R
L
Detect
Out
Figure 1: Block Diagram
© 1997 MX•COM, INC.
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