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Número de pieza
componentes Descripción
U4311B-FS Ver la hoja de datos (PDF) - Atmel Corporation
Número de pieza
componentes Descripción
Fabricante
U4311B-FS
Low-Current Superhet Remote Control Receiver
Atmel Corporation
U4311B-FS Datasheet PDF : 13 Pages
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U4311B-FS
V
S
R
1
8.2 k
W
C
7
10
m
F
C
8
100 nF
C
9
10
m
F
C
10
10 nF
R
9
56
W
R
10
300
W
IF input
R
8
100 k
W
C
11
10 nF
Wake-up
out
20 19 18 17 16 15 14 13 12 11
C
2
C
1
100 nF 10 nF
R
2
30 k
W
Data filter
output
C
3
1.5 nF
R
6
100 k
W
1
2
3
4
5
6
7
8
9 10
R
5
100 k
W
C
4
100 nF
Wake up
R
7
R
3
22 k
W
220 k
W
C
5
220 nF
R
12
C
12
100 k
W
220 nF
R
13
10 k
W
R
4
100 k
W
Comparator
output
C
6
220 nF
R
11
10 k
W
Figure 23. AM test circuit with 2-kHz Bessel lowpass data filter
10
0
–
10
–
20
–
30
–
40
–
50
–
60
–
70
–
80
0
95 10292
S+N
N (low level)
N (high level)
20
40
60
80 100
IF-input level ( d
m
BV )
Figure 24. Signal-to-noise ratio AM
100
90
+25
°
C
80
+85
°
C
70
60
50
–
40
°
C
40
30
20
10
10 25 40 55 70 85 100
95 10276
IF-input level (dB
m
V )
Figure 25. AM-demodulator characteristic vs. temperature
10 (13)
Rev. A3, 28-Sep-00
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