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Part Name
Description
BA7230LS View Datasheet(PDF) - ROHM Semiconductor
Part Name
Description
Manufacturer
BA7230LS
Multimedia ICs NTSC color TV signal encoder
ROHM Semiconductor
BA7230LS Datasheet PDF : 8 Pages
1
2
3
4
5
6
7
8
Multimedia ICs
BA7230LS
•
Application example
LPF
1.2mH L
2
R
17
1k
Ω
1.2 mH L
1
R
16
1k
Ω
Q
1
2SC2021
18
V
CC
2SC2021
Q
2
3k
Ω
V
CC
17
+
VR
2
1
µ
F
C
11
4
+
300
Ω
C
10
5
1
µ
F
VR
3
3k
Ω
300
Ω
Burst
LEVEL
ADJ
VR
4
6
5k
Ω
PCP
21
+
VIDEOIN
1
µ
F
20
BFP
C
9
R
15
10
1k
Ω
DL
1
, DL
2
: X503 (SUMIDA)
L
1
, L
2
: RC-875 1.2mH (SUMIDA)
TC
1
: TZ03R200E (MURATA)
Q
1
, Q
2
, Q
3
: 2SC2021 (ROHM)
XTAL
1
: HC – 43U 3579.545kHz (NIKKO DENSHI)
R
G
B
R
1
R
2
R
3
C
17
0.047
µ
F
C
16
+
10
µ
F
C
1
1
µ
F
+ + +
13 14
15
SYNC
2
V
CC
(5V)
24
CLAMP
19
GND
6dB
Y
OUT
16
MATRIX
Y
R
4
1k
Ω
E
R
- E
Y
E
B
- E
Y
DLY
DL
1
(400ns)
BA7230LS
MOD
MOD
R-Y
+
B-Y
+
Y
TRP
(3.58M)
RGB
1k
Ω
R
5
Video
Y
S
1
µ
F
+
C
4
R
6
1k
Ω
DLY
DL
2
Y
IN
3
23
R
7
1k
Ω
– 5dB
BG
BG
HDP
0dB
22
– 5dB
R
14
560
Ω
68pF
C
8
V
CC
6dB
PD
VCXO
9 87
TC
1
R
13
COMPOSITE
1.2k
Ω
OUT
82pF R
6
X'TAL
1
C
7
(2V
P-P
)
C
19
10pF
11
VR
1
12
APS
PHASE
ADJ
R
12
2.7k
+
C
6
1
µ
C
15
0.047
µ
F
0.047
µ
F
C
5
V
CC
R
11
75
Ω
820
Ω
R
10
OUT
Q
3
2SC2021
Fig. 3
5
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