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Número de pieza
componentes Descripción
XR-2211N Ver la hoja de datos (PDF) - Exar Corporation
Número de pieza
componentes Descripción
Fabricante
XR-2211N
FSK Demodulator Tone Decoder
Exar Corporation
XR-2211N Datasheet PDF : 24 Pages
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XR-2211
Input
Signal
2
0.1
µ
F
V
CC
Loop 11
Phase
Detect
C
1
2.7nF
5%
VCO
12
14
13
C
O
27nF 5%
R
F
178K
5%
1nF
R
1
35.2K
1%
0.1
µ
F
R
0
20K
1%
VCO
Fine
Rx
Tune
20K
R
B
8
1.8m 5%
7
1C0
F
%
FSK
Comp.
10
Internal
Reference
R
L
5.1K
5%
Data
Output
Quad
Phase
Detect
6
+
LDOQ
LDOQN
Lock
5
Detect
Comp.
Figure 10. Circuit Connection for FSK Decoding of Caller Identification Signals
(Bell 202 Format)
Input
Signal
2
0.1
µ
F
Loop
11
Phase
Detect
C
1
12
VCO
14
13
C
0
R
B
R
F
8
C
F
R
1
10
0.1
µ
F
R
0
7
+
FSK
Comp.
Internal
Reference
Rx
V
CC
R
L
5.1k
Quad
Phase
Detect
Between 400K and 600K
3
R
D
C
D
6
LDOQ
Lock
5 LDOQN
Detect
Comp.
Rev. 3.01
Figure 11. External Connectors for FSK Demodulation with Carrier
Detect Capability
14
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