Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
3.3 µH
1 µH
8.5 V
A
handbook, full pagewidth
(2)
270 pF
4.7 kΩ
5 V
analog
AF
AF
AM
RDS/
FM
MPX
B
SAMPLE HOLD
AUDIO/IF MPX
L4
BB156
22 Ω
100
nF
100 nF
22 nF
6.8 nF
47 µF
2.7 1.8
pF pF
47 µF
47 µF
40 41 42
43
44
45
46
47
48
49
50
51
SEQUENTIAL
CIRCUIT FOR
RDS UPDATING
AM
DETECTOR
POWER
SUPPLY
VCO
MUTE
C
2
V
(I C-bus)
DD
D
E
2 ms/
20 ms
10
kΩ
10
kΩ
52
FM IF
AM IF2
2
SDA
SCL
I C-bus
IF
COUNT
2
I C-BUS
53
54
F
IF2GND
55
56
57
AM
IF AGC
LEVEL
DAA
4.7
kΩ
L3
DEMODULATOR
G
AFC
H
I
47 µF
AM
LEVEL
BLANK
PULSE
Σ
58
AM/FM
LEVEL
J
59
60
61
K
L
FM
LIMITER/
LEVEL
CRYSTAL
OSCILLATOR
20.5
MHz
×
AM
M
N
MIXER2
62
120
kΩ
220
nF
IFAMP2
O
P
L2
63
64
12
11
10
9
8
7
6
5
4
3
2
1
330 Ω
22
nF
220
nF
22
nF
22 nF
22 nF
10 µF
IF1GND
22 nF
SFE10.7
MS3
SFE10.7
MS3
SFR450H
22 Ω
Q
8.5 V
MHB879
Fig.8 Application diagram (continued from Fig.7).
35
2001 Apr 12
NXP [ NXP ]
