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參數(shù)資料
| 型號： | TMC2376 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | PC-to-TV Video Standards Converter(PC到TV視頻標準變換器) |
| 中文描述： | PC到電視視頻標準轉(zhuǎn)換器（電腦到電視視頻標準變換器） |
| 文件頁數(shù)： | 36/48頁 |
| 文件大?。?/td> | 233K |
| 代理商： | TMC2376 |
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TMC2376
PRODUCT SPECIFICATION
36
P
Figure 29. Power Distribution Strategy
Printed Wiring Board Layout
Overall system performance is strongly influenced by the
PWB design. Layout and connection principles are embod-
ied in Figure 30. Layout, Connection and Power Distribution
Strategy. PWB design tips are:
Locate the TMC2376 circuit near the board edge, near to
video output connectors.
Route analog traces over the ground plane.
Position localized components, such as reference resistors
close to the TMC2376.
If a crystal oscillator is used locate the package close to
the TMC2376. If a remote clock is used, make the trace
connection a transmission line and terminate 330/220
ohm or equivalent to match line impedance.
Cleanly route RGB video inputs to the TMC2376 treating
connection as transmission lines.
Segregate video traces from digital traces and areas of noise.
Tightly group the components for each CVBS or S-video
video filter. Keep the path between the filters and the
CVBS and S-video connectors short.
Use a contiuous ground plane.
Separate analog and digital power planes or use individual
traces to connect power.
C47
C46
C40
0.1
C39
0.1
C43
0.1
C44
0.1
C45
C42
C48
C41
C38
C23
C33
R30
R31
C19
L2
BEAD
L1
BEAD
L3
C20
C24
C27
1
C26
0.1
C31
C29
C30
0.1
C34
C35
C25
1
C28
C21
+
C22
+
C37
+
C36
C32
+
VCC5
VCC3
VDD3
VDD3M
VCC5X
VCC5A
VDDAD
VDDDA
VDD5
VDDPA VDDPF
VCC5
VCC3
Place 0.01 uF capacitors
at furthest end of power
line
Figure 30. Layout, Connection and Power Distribution Strategy
Memory Area
Sync
Green
S-Video
Output
CVBS
Output
VGA
Output
Graphics
Controller
TMC
2366
2366-22
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