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參數(shù)資料
| 型號： | U4313B-AFL |
| 英文描述： | Low-Current Superhet Remote Control Receiver |
| 中文描述： | 低電流超外差遙控接收器 |
| 文件頁數(shù)： | 11/14頁 |
| 文件大?。?/td> | 167K |
| 代理商： | U4313B-AFL |
TELEFUNKEN Semiconductors
U4313B
Rev. A1: 23.06.1995
11 (14)
16
15
14
13
1
2
3
4
12
11
10
5
6
7
9
8
R
8
R
10
C
11
10 nF
C
10
C
9
R
9
C
8
V
S
Wake up
out
C
4
C
3
R
1
R
2
8.2 k
30 k
C
1
10 nF
1.5 nF
100 k
100 k
100 nF
100 nF
22 pF
56
300
100 k
R
12
C
12
100 k
220 nF
C
6
220 nF
R
4
R13
100 k
10 k
C
5
220 nF
R
7
220 k
Wake up
22 k
R
3
Data filter
output
R
11
10 k
Comparator
output
IF input
9
R
5
Filter
R
14
22 k
R
15
22 k
C
2
100 nF
C
7
R
6
10 F
10 F
TOKO A119ACS-19000Z
(L = 2.2 H, C = 100 pF)
Figure 26. FM test circuit with 2 kHz Bessel low pass data filter
–70
–60
–50
–40
–30
–20
–10
0
10
0
20
40
60
80
100
L
IF-input level ( d BV )
95 10291
S + N
N
Figure 27. Signal to noise ratio FM; deviation 22.5 kHz
0
10.3
0.5
1.0
1.5
2.0
2.5
10.5
10.7
10.9
11.1
O
Frequency ( MHz )
95 10290
C
10
= 22 pF
C
10
= 47 pF
Figure 28. FM-discriminator characteristic
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