TEA6840 Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
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TEA6840 Datasheet PDF : 44 Pages
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Philips Semiconductors
New In Car Entertainment (NICE) car radio
Preliminary specification
TEA6840H
handbook, full pagewidthA
B
4.7 kΩ 270 pF(2)
BB156
AF
AF
SAMPLE HOLD
22 Ω
AM RSD/
AUDIO/IF MPX
FM
MPX
5V
analog
3.3 µH
3.3 µH
2.7 1.8
pF pF
22 nF
47 µF
12 11 10 9
8
10 nF
7
6
5
4
100 nF
47 µF
3
2
100 nF
1
8.5 V
C
VCO
SEQUENTIAL
CIRCUIT FOR
RDS UPDATING
AM
DETECTOR
MUTE
POWER
SUPPLY
VDD (I2C-bus)
D
2 ms/
E
20 ms
39
39
kΩ
kΩ
FM IF
64
I2C-bus
IF
AM IF2 COUNT
I2C-BUS
63
SDA
SCL
F
62
IF2GND
61
G
AM
IF AGC
LEVEL
DAA
DEMODULATOR
60
4.7
kΩ
L3
H
I
BLANK
PULSE
J
AM
LEVEL
Σ
59 AFC
47 µF
58
AM/FM
LEVEL
K
57
L
×
2nd AM
FM
LIMITER/
LEVEL
CRYSTAL
56
OSCILLATOR 55
20.5
MHz
M
MIXER
54
N
120
220
TEA6840H
kΩ
nF
O
53
L2
P
40 41 42 43
44 45 46 47 48
49
50 51
22
220
nF
nF
IF1GND 100 nF
330 Ω
100
nF
100
nF
10 µF
52
22 nF
SFE10.7
MS3
SFR450H
SFE10.7
MS3
Q
22 Ω
MHB482
8.5 V
1999 Jul 12
Fig.2 Block diagram (continued from Fig.1).
5
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