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參數(shù)資料
| 型號： | M52737SP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING, RETRACE BLANKING |
| 中文描述： | 3，帶OSD混合，折回消隱通道視頻前置放大器 |
| 文件頁數(shù)： | 4/15頁 |
| 文件大小： | 119K |
| 代理商： | M52737SP |
MITSUBISHI ICs (Monitor)
M52737SP
3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING, RETRACE BLANKING
4
ELECTRICAL CHARACTERISTICS TEST METHOD
1. Because a description of signal input pin and pulse input pin
switch numbers is already given in Supplementary Table, only
external power supply switch numbers are included in the notes
below.
Sub contrast voltages V4, V9 and V14 are always set to the same
voltage, therefore only V4 is referred to in Supplementary Table.
I
CC
Circuit current
Measuring conditions are as listed in Supplementary Table.
Measured with an ammeter At test point A when SWA is set to b.
Vomax Output dynamic range
Voltage V19 is varied as described below:
1. Decrease V19 gradually while inputting SG5 to pin 13 (8 or 3).
Measure the voltage when the bottom of the waveform output at
T.P25 (30 or 35) is distorted. The voltage is called V
OLR
(V
OLG
or
V
OLB
).
2. Increase V19 gradually, and measure the voltage when the top
of the waveform output at T.P25 (30 or 35) is distorted. The
voltage is called V
OHR
(V
OHG
or V
OHB
).
3. Voltage V
OMAX
is calculated by the equation below:
V
OMAX
=V
OHR
(V
OHG
, V
OHB
)-V
OLR
(V
OLG
, V
OLB
)
Waveform Output at T.P25
(Identical to output at T.P30 and T.P35.)
0.0
5.0
(V)
ELECTRICAL CHARACTERISTICS
(cont.)
Symbol
Parameter
Test conditions
External power supply (V)
Limits
Unit
Test
point
(s)
Input
Pulse input
SW1,
5, 10,
15
SW13
R-ch
SW8
G-ch
SW3
B-ch
V4
V17 V19 V36
SW18
SW20
Min.
Typ.
Max.
P
DCL
Pedestal voltage
temperature
characteristics2
T.P.35
T.P.30
T.P.25
T.P.35
T.P.30
T.P.25
T.P.35
T.P.30
T.P.25
T.P.35
T.P.30
T.P.25
b
SG5
b
SG5
b
SG5
5
5
2
b
SG4
a
a
-0.3
0
0.3
V
DC
OTr
OSD pulse
characteristics1
a
a
a
5
5
Vari-
able
Vari-
able
b
SG4
SW1...a
other...b
a
3.5
8
nsec
OTf
OSD pulse
characteristics2
a
a
a
5
5
Vari-
able
Vari-
able
b
SG4
SW1...a
other...b
a
3.5
8
nsec
Oaj1
OSD adjusting control
characteristics
(maximum)
OSD adjusting control
relative characteristics
(maximum)
OSD adjusting control
characteristics
(minimum)
OSD adjusting control
relative characteristics
(minimum)
a
a
a
5
5
2
4
b
SG4
b
SG6
a
3.9
4.6
5.3
V
P-P
Oaj1
Relative to measured values above
0.8
1
1.2
Oaj2
T.P.35
T.P.30
T.P.25
a
a
a
5
5
2
0
b
SG4
b
SG6
a
0
0.5
V
P-P
Oaj2
Relative to measured values above
0.8
1
1.2
OSDth
OSD input threshold
voltage
T.P.35
T.P.30
T.P.25
T.P.35
T.P.30
T.P.25
T.P.35
T.P.30
T.P.25
T.P.35
T.P.30
T.P.25
a
a
a
5
5
2
5
b
SG4
SW1...a
other...b
a
1.7
2.5
3.5
V
DC
V1th
BLK input threshold
voltage
b
SG5
b
SG5
b
SG5
5
5
2
5
b
SG4
SW1...b
other...a
a
1.7
2.5
3.5
V
DC
H
BLK
Retrace BLK voltage
a
a
a
5
5
2
0
a
a
b
SG7
0.2
0.5
V
DC
HVth
Retrace BLK input
threshold voltage
a
a
a
5
5
2
0
a
a
b
SG7
0.5
1.5
2.5
V
DC
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| M52738P | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING, RETRACE BLANKING |
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| M52741SP | 制造商:Panasonic Industrial Company 功能描述:IC SUB: M52741SP701 |
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| M52742SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR |
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