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Número de pieza
componentes Descripción
TDA9847 Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
TDA9847
TV and VTR stereo/dual sound processor with digital identification
Philips Electronics
TDA9847 Datasheet PDF : 28 Pages
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2.2 k
Ω
Vi1
2.2
µ
F
9
3 dB
3 dB
L
+
2
R,
A
2.2 k
Ω
250 mV RMS
(AM: 500 mV RMS)
15 k
Ω
35 k
Ω
3 dB
Vref
Vi2
R, B
250 mV RMS
2.2
µ
F
50 k
Ω
10
0 dB
RFP
30 k
Ω
CFP
3.3 nF
tan
δ
≤
0.002
CDCL
47 pF
7
Qo= 70
2.5 mH
6
100 nF
CAGC
4
10
µ
F
CLP
5
10 nF
6 dB (AM)
0 dB
A/mono
10 k
Ω
10 k
Ω
Vref
5 k
Ω
TDA9847
Vref
Vref
25 k
Ω
25 k
Ω
DIGITAL
PLL
OSCILLATOR
23
10 MHz
CD1
10 nF
±
5%
CD2
17
SCART
250 mV
Vi4 Vi3
RMS
10 nF
±
5%
2.2
µ
F
250 mV RMS
2.2
µ
F
21
12 11
5 k
Ω
Vref
50 k
Ω
Vref
50 k
Ω
6 dB
AM
250 mV RMS
6 dB
L/A/mono
L
250 mV RMS
6 dB
500 mV RMS 14
500 mV RMS 13
500 mV RMS 16
Vo1
main
Vo2
Vo3
R/B
250 mV RMS
6 dB
500 mV RMS 15
SCART
Vo4
DIGITAL PLL
AND
DEMODULATOR
DIGITAL PLL
AND
DEMODULATOR
mute
DIGITAL
dual bit
INTEGRATOR
(274 Hz)
stereo
DIGITAL
bit
INTEGRATOR
(117 Hz)
Vref
SUPPLY
8 22 20
1/2 VP
Cref
100
µ
F/
16 V
VP
POWER-ON
RESET
CONTROL
LOGIC
stereo transmission
19
1 k
Ω
VP
18
dual transmission
1
C1
2
C2
24
C3
3
C4
MED803
Input and output levels are nominal values related to the SCART norm (AM: m = 0.54, FM:
∆
f =
±
27 kHz).
Fig.1 Block diagram of the bipolar TV/VTR-stereo decoder.
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