TDA9819 데이터 시트보기 (PDF) - Philips Electronics
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TDA9819 Datasheet PDF : 40 Pages
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handbook, full pagewidTtOh P
tuner
AGC
DVB DVB
CVAGC CBL AGC AGC
adjust external
loop
filter
AFC
DVB
external
VCO
control
2fPC
VCO
adjust
6 19 28
3
15
TUNER
AGC
VIF-AGC
DVB
AGC
13
23
AFC
DETECTOR
7
16 25
24 11
VCO
TWD
(1)
input/DVB
switch
VIF A
DVB B
TDA9819
30
1
2
VIF
4 SWITCH
5
31
SIF
32
FPLL
VIF
DEMODULATOR/
DVB MIXER
LOGIC
AM
SIF
DEMODULATOR MIXER
IF-filter
INTERNAL
VOLTAGE
STABILIZER
SIF-AGC
FM DETECTOR
(PLL)
29 27 26
1/2 VP
VP
(+5 V)
8
9
20
CSAGC
standard (1)
switch
4.5/5.5
QSS
intercarrier
output
17
AF
mute
14
CAF
21
video
1 V (p-p)
18
DVB
2 V (p-p)
10
CVBS
2 V (p-p)
22
video
buffer
12
AF
MBH352
(1) See switch logic Table 2.
Fig.1 Block diagram.
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