Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
handbook, full pagewidth
antenna
f
PLL
FM RF input
ref
input
A
B
C
V
D
tune
10 kΩ
2.2 kΩ
1.2 kΩ
100 nF
relay 1
100
nF
470
kΩ
3.3
nF
22 Ω
3.9
nF
3.3
µH
47 Ω
100 nF
DGND
22
nF
relay 1
teledyne
relay 2
100 nF
38
34
35
36
37
39
33
32
31
ANTENNA
DAA
V
22 kΩ
t
E
BAS16
TUNING SYSTEM
BB814
F
AM
120
nH
10.25 MHz
G
(1)
1.5 to
5 pF
30
29
28
8.2
pF
FM
AGC
1 µF
1 µF
H
1 nF
TEA6845AH
TEA6845H
L8
470 nH
WX
N1
6.8
µH
27
26
25
4:6
BA779-2
47 pF
×
FM
÷2
90°
I
560 pF
3.3 µH
I/Q MIXER
8.2
pF
L6
22 Ω
BA779-2
100 nF
J
K
L
RFGND
L7
220 nH
24
AM NOISE
DETECTOR
PEAK/
AVERAGE
47 µF
90°
22 nF
270
Ω
M
N
BAQ806
23
22
N2
AM
RF AGC
270
Ω
100 nF
÷5/10
21
O
P
22 µF
220 nF
WB
FLAG
IFAMP1
×
AM
MIXER1
220
nF
20
Q
R
680
µH
180
pF
100
µH
1 mH
100
pF
19
18
17 16
15
14
13
220 µH
1.5 kΩ
330 pF
1 nF
1 nF
50 Ω
22
nF
22
nF
22
nF
Ce1
1.2 MΩ
100
nF
470 pF
4.7 µF
BF861C
Ce2
470
kΩ
BAV99
L1
22 nF
47 Ω
SFE10.7
MS3
22 Ω
22 Ω
10 Ω
S
100 nF
100 nF
100 nF
304 Ω
330 Ω
52 Ω 2 Ω
AM RF
input
IF
output
IF
input
MHB895
Fig.9 Test circuit (continued in Fig.10).
36
2001 Apr 12
NXP [ NXP ]
