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TDA8722T/C1 데이터 시트보기 (PDF) - Philips Electronics
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TDA8722T/C1
I2C-bus programmable modulator for negative video modulation and FM sound
Philips Electronics
TDA8722T/C1 Datasheet PDF : 28 Pages
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Philips Semiconductors
I
2
C-bus programmable modulator for
negative video modulation and FM sound
Application design
Product specification
TDA8722
handbook, full pagewidth
VIDEO
R20
470
Ω
R18
82
Ω
RF
100 nF
C19
75
Ω
R19
470
Ω
100 nF
C20
R15
75
Ω
100 k
Ω
RV1
(1)
15 pF
82 k
Ω
R17
100 pF
C16
C17
100 pF
C15
20
19 18
17
16
15
14 13 12 11
TDA8722
12
3
AUDIO
C1
220 pF
R1
220 k
Ω
R2
12 k
Ω
C3
56 pF
R3
15 k
Ω
L3
15
µ
H
4
56
78
9 10
L5
33 pF
C5
D5
33 pF
C6
BB215
R5
22 k
Ω
R6
22 k
Ω
R7
150 nF
C8
R8
12 k
Ω
R9
22 k
Ω
10 nF
C7
12 k
Ω
T8
BC547B
10 nF
C11
PORT
SCL
SDA
5V
Q9
4 MHz
27 pF
C9
33 V
C30
10 nF
MBE405
GND
(1) RV1 allows fine adjustment of the modulation depth between 70 and 90%.
Fig.8 Application using an asymmetrical output.
1998 Jun 23
16
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