TEA6825T PHILIPS [NXP Semiconductors], TEA6825T Datasheet - Page 41

• Manufacturer Part Number: TEA6825T
• Description: In Car Entertainment ICE car radio
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
1998 Mar 24
handbook, full pagewidth
In Car Entertainment (ICE) car radio
G
A
B
C
D
E
F
H
COMPENSATION
TEMPERATURE
50
level
P392BC-1977Z
AMPLIFIER
1
4.3 k
220
TOKO
DELOG
DETECTOR
DETECTOR
DETECTOR
DETECTOR
nF
AVERAGE
AVERAGE
L13
AM
PEAK
PEAK
60 kHz
PASS
HIGH
3
AM
Fig.23 ICE application diagram (continued from Fig.22).
THRESHOLD
2
8.5 V
CONTROL
V CC
R C
CURRENT
SWITCH
39
AMSTOP
68 F
46
100 k
R51
AFC
100
nF
16
V
ref
TEA6823T
TEA6825T
33 k
33 k
100
49
nF
BUFFER
RDS
43
MPX
15
3.3 M
2.2 M
100 nF
48
17
tuning
mute
MUTE
SOFT
3.3 nF
220 nF
18
10 nF
47
FILTER
PASS
HIGH
MODULATION
DETECTOR
41
V
1.2 M
100 k
int2
1 M
R41
CANCELLER
33 k
68 pF
DECODER
MATRIX
220 k
MPX-
PILOT
AND
+
-
82 k
FILTER
PASS
LOW
mono
12 k
INTERFERENCE
45
DETECTOR
DETECTOR
FORMER
DETECTOR
PULSE
NOISE
PILOT
51
100 nF
DETECTOR
PHASE
220 nF
27 k
V
V
DETECTOR
int1
int2
DIGITAL
PHASE
TEA6823T; TEA6825T
radio
radio
f
mute
V
mute
ref
V
int1
ref
25
21
V DDD
SUPPLY
+5 V
22 nF
19 kHz
52
10
BLOCK
LOGIC
+
+
33 F
-
VCO
-
38 kHz
Preliminary specification
30
32
26
44
41
56
12
31
4
5
100 nF
100 nF
470 nF
120 k
6.8 nF
820 k
470 nF
100 nF
6.8 nF
OUTRIGHT
OUTLEFT
22 H
47 F
47 F
MHA709
V CCA
V CC
+5 V
8.5 V
8.5 V