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參數資料
| 型號： | M52722 |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | 3-CHANNEL VIDEO PREAMPLIFIER PROVIDED WITH OSD MIX AND RETRACE LINE BLK FOR HIGH-RESOLUTION |
| 中文描述： | 3通道視頻前置放大器帶OSD提供的混合并回朔線座的高分辨率 |
| 文件頁數： | 17/17頁 |
| 文件大?。?/td> | 125K |
| 代理商： | M52722 |
MITSUBISHI ICs (Monitor)
M52722SP
3-CHANNEL VIDEO PREAMPLIFIER PROVIDED WITH OSD MIX
AND RETRACE LINE BLK FOR HIGH-RESOLUTION
17
OSD display period overlapped with clamping pulse period will
cause abnormal operation. As measures against this, external
circuit as given in the following diagram is recommended:
4) Retrace line BLK input pins
Input formula is open.
(See page 2-1110.)
Threshold voltage is 1.5V.
Ensure that input pin is grounded when no retrace line BLK func-
tion is used.
5) Main, Sub OSD adjustment pins
Use within the range of 0V-5V.
Control characteristics are as given in the following drawing:
Open if main OSD adjustment or sub OSD adjustment is not
used.
If, in application, wiring on the substrate causes interference
wave to get into these pins, affecting even IC input, consider
addition of such as bus controller.
Ensure that main, sub OSD adjustment pins are open or
grounded when no OSD Mix function is used.
PRECAUTIONS FOR APPLICATION
Wire output pins to output pulldown resistors at a shortest dis-
tance.
Voltage in the IC output signal pedestal area is recommended for
use at about 2V.
18
1
BLK
(for OSD)
C/P
Vcc
0
1
2
3
4
5
6
Sub OSD adjust 5V
(Main OSD adjust 5V)
Sub OSD adjust 4V
(Main OSD adjust 4V)
Sub OSD adjust 3V
(Main OSD adjust 3V)
Sub OSD adjust 2V
(Main OSD adjust 2V)
Sub OSD adjust 1V
(Main OSD adjust 1V)
Main OSD adjust (V)
(Sub OSD adjust)
O
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