參數(shù)資料
型號(hào): XR-2211
廠商: Exar Corporation
英文描述: FSK Demodulator/ Tone Decoder
中文描述: FSK解調(diào)器/音頻解碼器
文件頁數(shù): 12/24頁
文件大?。?/td> 242K
代理商: XR-2211
XR-2211
12
Rev. 3.01
4
6
8
10
12
14
16
18
20
22
24
1
2
3
4
5
5
2
4
3
1
1
2
3
4
5
Curve
R0
5K
10K
30K
100K
300K
V+ (Volts)
f
O
= 1kHz
R
F
= 10R
0
N
R
0
= 1 kHz
f
O
R
0
=5K
Figure 5. Typical Supply Current vs. V+
(Logic Outputs Open Circuited)
Figure 6. VCO Frequency vs. Timing Resistor
Figure 7. VCO Frequency vs. Timing Capacitor
Figure 8. Typical f
O
vs. Power Supply
Characteristics
Figure 9. Typical Center Frequency Drift vs. Temperature
20
15
10
5
0
R
0
=10K
R
0
>100K
4
6
8 10
Supply Voltage, V
+
(Volts)
12 14 16
18
20 22 24
100
1000
f
O
(HZ)
1.0
0.1
0.01
10000
+1.0
+0.5
0
-0.5
-1.0
-50
-25
0
25
50
75
100
125
Temperature (
°
C)
R0=1M
R0=500K
R0=50K
R0=10K
1M
500K
50K
10K
V+ = 12V
R1 = 10 R
0
R
0
=20K
0
1000
f
O
(Hz)
1,000
100
10
10000
1.02
1.01
1.00
0.99
0.98
0.97
C
0
=0.001 F
0
C
0
=0.01 F
C
=0.0331 F
C
0
=0.1 F
0
R
0
=80K
R
0
=10K
N
O
S
C
0
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