TEA6840 Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Lista de partido
TEA6840 Datasheet PDF : 44 Pages
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Philips Semiconductors
New In Car Entertainment (NICE) car radio
Preliminary specification
TEA6840H
BLOCK DIAGRAM
handbook, full pagewidth
antenna
Vtune
3.9 nF
100 nF
10 kΩ
2.2 kΩ
1.2 kΩ
A
B
fref 5 V
PLL digital
3.3 nF
22 Ω 3.3
µH
DGND
22 nF
100 nF
19
18 17
16 15 14 13
470
kΩ
Vt
22 kΩ
20
21
DAC
BB814
AM
(1)
120 nH
C
TUNING SYSTEM
D
10.25 MHz
E
8.2 pF
22
100 nF
1 MΩ
23
FM
1 nF
24
AGC
F
470 nH
1 µF
TEA6840H
6.8
µH
47 pF
BA595
560 pF
4:7
25
26
×
1st FM
WX
N1
÷2
G
8.2 pF
BA595 3.3 µH 22 Ω
27
I/Q MIXER
90°
220 nH
100
nF
5V
analog
270
Ω
BAQ800
270 100 nF
Ω
47 µF
RFGND
28
90°
22 nF
WB
FLAG
29
30
AM
31 RF AGC
AM-NOISE
DETECTOR
N2
÷5/10
H
PEAK/
AVERAGE
I
J
K
L
M
N
220
32
×
nF
1st AM
O
1 mH
100
100 µH
680
µH
180
pF
pF
MIXER
P
220 µH
33 34 35 36
37 38
39
330 pF
1 nF
1.5 kΩ
1.2 MΩ
22
22
22
nF
nF
nF
470 pF
1 nF
BF861C
4.7 µF
100
nF
470
BAV99
kΩ
22 nF
L1
SFE10.7
MS3
47 Ω
22 Ω
COILS: L1: P392BE-2104GNL = S; L2: P7PSAE-2119D = S; L3: 392BC-1977Z
(1) 1 to 5 pF trimmer without DAA; (2) series NPO.
22 Ω
10 Ω
Q
MHB481
Fig.1 Block diagram (continued in Fig.2).
1999 Jul 12
4
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