Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
13 TEST AND APPLICATION INFORMATION
handbook, full pagewidth
A
V
tune
B
Coils:
f
5 V
digital
10 kΩ
2.2 kΩ
1.2 kΩ
ref
L1: P826RC-5134N=S
L2: PSGAE-5078D=S
L3: P293BC-1977Z
L4: E543SNAS-02010
L5: 611SNS-1066Y
L6: 369INS-3076X
PLL
3.3 nF
22 Ω
3.3
µH
3.9 nF
DGND
L7; 388BN-1211Z
L8: air coil
(1): 1 to 5 pF trimmer without DAA
(2): series NP0
antenna
100 nF
22 nF
100 nF
38
34 35
36
37
39
33
2.2
MΩ
32
31
ANTENNA
DAA
V
22 kΩ
t
3.3 µH
C
TUNING SYSTEM
BAS16
BB814
D
E
AM
L5
120 nH
10.25 MHz
(1)
270
nH
30
29
28
8.2
pF
FM
AGC
1 µF
1 µF
F
TEA6845AH
TEA6845H
15 pF
290 nH
BA595
BA595
L8
290 nH
WX
27
26
25
L6
N1
×
8.2 pF
FM
÷2
90°
G
22 Ω
330 Ω
I/Q MIXER
H
I
2.2 kΩ
15 pF
RFGND
10 µF
24
AM-NOISE
DETECTOR
PEAK/
AVERAGE
1 nF
1 nF
90°
22 nF
J
5 V
analog
K
L
BAQ806
1 kΩ
23
22
21
N2
AM
RF AGC
100 nF
÷5/10
M
N
WB FLAG
220 nF
6.8
µH
560 Ω
22 µF
IFAMP1
×
AM
MIXER 1
20
22
nF
O
P
270
100
pF
180
µH
150
pF
µH
150 µH
10
nF
1.8 MΩ
1.5 kΩ
19
18
17 16
15 14
13
180
pF
22
nF
22
nF
100
nF
22
nF
10 nF
470 pF
1 nF
BF861C
2.2 MΩ
SFE10.7
MS3
L7
BAV99
L1
22 nF
10
kΩ
47 Ω
22 Ω
22 Ω
10 Ω
Q
MHB878
Fig.7 Application diagram (continued in Fig.8).
34
2001 Apr 12
NXP [ NXP ]
