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參數(shù)資料
| 型號(hào)： | 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)： | 10/14頁 |
| 文件大小： | 167K |
| 代理商： | U4313B-AFL |
TELEFUNKEN Semiconductors
U4313B
Rev. A1: 23.06.1995
10 (14)
16
15
14
13
1
2
3
4
12
11
10
5
6
7
9
8
R
8
R
10
C
11
C
10
C
9
R
9
C
8
V
S
Wake up
out
C
4
R
6
100 k
C
3
R
1
R
2
8.2 k
30 k
C
1
10 nF
C
2
100 nF
1.5 nF
100 k
100 nF
100 nF
10 nF
10 nF
R
12
C
12
100 k
220 nF
C
6
220 nF
R
4
R
13
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
C
7
56
10 F
10 F
300
100 k
Figure 23. AM test circuit with 2 kHz Bessel low pass data filter
–80
–70
–60
–50
–40
–30
–20
–10
0
10
0
20
40
60
80
100
L
IF-input level ( d BV )
95 10292
S + N
N (low level)
N (high level)
Figure 24. Signal to noise ratio AM
10
20
30
40
50
60
70
80
90
100
10
25
40
IF-input level (dB V )
55
70
85
100
A
95 10276
+85
°
C
+25
°
C
–40
°
C
Figure 25. AM-demodulator characteristic vs. temperature
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