TDA9847 Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Lista de partido
TDA9847 Datasheet PDF : 28 Pages
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2.2 kΩ
Vi1
2.2 µF
9
3 dB
3 dB
L
+
2
R,
A
2.2 kΩ
250 mV RMS
(AM: 500 mV RMS)
15 kΩ
35 kΩ
3 dB
Vref
Vi2 R, B
250 mV RMS
2.2 µF
50 kΩ
10
0 dB
RFP 27 kΩ
CFP
1.8 nF
±2%
tan δ ≤ 0.01
CDCL
180 pF
7
4.7 mH
±5%
Qo= 25
6
100 nF
CAGC
4
10 µF
CLP
5
10 nF
6 dB (AM)
0 dB
A/mono
10 kΩ
10 kΩ
Vref
5 kΩ
TDA9847
Vref
Vref
25 kΩ
25 kΩ
DIGITAL
PLL
OSCILLATOR
23
10 MHz
CD1
10 nF
5%
CD2
17
SCART
250 mV Vi4 Vi3
RMS
10 nF
5% 2.2 µF
250 mV RMS
2.2 µF
21
12 11
5 kΩ
Vref
50 kΩ
Vref
50 kΩ
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 µF/
16 V
VP
POWER-ON
RESET
CONTROL
LOGIC
stereo transmission
19
1 kΩ
VP
18
dual transmission
1
C1
2
C2
24
C3
3
C4
MED804
Input and output levels are nominal values related to the SCART norm (AM: m = 0.54, FM: ∆f = ±27 kHz).
The components of the external LC band-pass filter have the following order-No.: Philips Germany only No: 4312 020 17525 or Fastron Sdn. Bha., Malaysia type SMCC 472 J
for L = 4.7 MHz (±5%) Philips Components No: 2222 429 71802, C = 1.8 nF (±2%).
Fig.2 Block diagram of the bipolar TV/VTR-stereo decoder with fixed coil (alignment-free).
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