Philips Semiconductors
Product specification
New In Car Entertainment car radio tuner IC with
Precision Adjacent Channel Suppression (NICE-PACS)
TEA6848H
f
ref
FM RF WB
input FLAG
handbook, full pagewidth
PLL
5 V
analog
antenna
input
A
100 nF
68 kΩ
100 kΩ
relay 3
B
270 pF
C1
relay 1
10 kΩ
V
22 Ω
tune
4.7 kΩ
+
4.7
kΩ
100
nF
47
µF
1
nF
47 Ω
2.2 MΩ
BB156
L3
3.3
nF
2.2 kΩ
1.2 kΩ
22 Ω
3.9 nF
0 Ω
DGND
relay 1
22
nF
100 nF
40
2.7
pF
1.8
pF
relay 2
100 nF
45 46
41
50
42 43
44
47
48 49
51
L4
BB814
VCO
TUNING SYSTEM
2
I
C-bus
39 ANTENNA
DAA
BAS16
22 kΩ
L8
38
37
AM
1 µF
TEA6848H
2
I
C-bus
1
nF
+
10
µF
C
330
Ω
2.2
kΩ
22
Ω
FM
AGC
36
2
LEVEL
1 µF
I
C-bus WB/JAPAN/OIRT
D
E
35
1
nF
BA595
6.8 pF
1 nF
34
33
WB FLAG
L5
L7
÷1/ ÷2/
÷3
90°
×
F
32
31
500 nH
1 pF
FM
18 pF
L6
12
pF
215
nH
I/Q MIXER 1
G
4:6
RFGND
30
270 Ω
H
I
29
×
AM-NOISE
DETECTOR
90°
FM
22 nF
100 nF
BAQ806
MIXER 2
6.8 µH
22 Ω
28
27
22 µF
26
2
I
C-bus
220 nF
PEAK/
AVERAGE
AM
25
24
÷2
J
AGC
LEVEL
220
nF
150 pF
820
µH
560
Ω
10
kΩ
×
AM
MIXER 2
÷10/
÷20
BLANK
PULSE
100
nF
56 µH
2.2 nF
2
C-bus
I
BC847C
220
nF
K
L
23
470
µH
×
AM
MIXER 1
270
pF
22
21
M
14
13 12 11 10
22
9
8 7
17
20
19
18
16
15
6
5
1.8 MΩ
47 Ω
SW
CONTROL
FLAG
Q
I
100
nF
22
nF
22
nF
22
nF
nF
BAV99
BF862
220 nF
N
1 nF
L1
22 Ω
10 nF
10 nF
22
Ω
IF1GND
22
nF
2.2 MΩ
22 Ω
L9
SFE10.7
MS3
SFE 10.7
MS3
10 kΩ
100 nF
O
100 nF
100 nF
100 nF
100 nF
68 kΩ
68 kΩ
304 Ω
304 Ω
22 Ω
330
Ω
330
Ω
52
Ω
52
Ω
2 Ω
2 Ω
VCC1 8.5 V
I-centre
frequency
Q
I
AM RF
input
IF
output
IF
input
FMIF1
output
FMIF2
input
test mode
input
filter test
output mode
MHC445
For list of components see Table 30.
Fig.10 Test circuit (continued in Fig.11).
40
2004 Nov 12
NXP [ NXP ]
