參數(shù)資料
型號： M52337SP
廠商： Mitsubishi Electric Corporation
英文描述： 3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING FUNCTION FOR HIGH-RESOLUTION COLOR DISPLAYS
中文描述： 3，帶OSD混合高功能通道視頻前置放大器分辨率彩色顯示器
文件頁數(shù)： 6/17頁
文件大?。?/td> 110K
代理商： M52337SP
MITSUBISHI ICs (Monitor)
M52337SP
3-CHANNEL VIDEO PREAMPLIFIER WITH OSD MIXING FUNCTION
FOR HIGH-RESOLUTION COLOR DISPLAYS
6
V
SCR1
sub-contrast control characteristics (at typ.) and
V
SCR1
relative sub-contrast control characteristics (at typ.)
1. Follow the electrical characteristics table except changing V4, V9
and V14 to 2.0V.
2. Read the output amplitude of T.P25 (T.P30 or T.P35) at this time
to let the reading be V
OR4
(V
OG4
or V
OB4
).
3. Sub-contrast control characteristic V
SCR1
and relative sub-
contrast control characteristics
V
SCR1
is found by:
V
SCR2
sub-contrast control characteristics (at min.) and
V
SCR2
relative sub-contrast control characteristics (at min.)
1. Follow the electrical characteristics table except changing V4, V9
and V14 to 1.0V.
2. Read the output amplitude of T.P25 (T.P30 or T.P35) at this time,
and let it be V
OR5
(V
OG5
or V
OB5
).
3. Relative sub-contrast control characteristics VCR2 is found by:
V
CR2
=V
OR5
/V
OG5
, V
OG5
/V
OB5
, V
OB5
/V
OR5
V
SCR
3 main and sub-brightness control characteristics (both
main and sub at typ.) and
V
SCR3
relative main and sub-brightness control
characteristics (both main and sub at typ.)
1. Follow the electrical characteristics table except changing V7 to
3.0V and V4, V9 and V14 to 3.0V.
2. Read the output amplitude of T.P25 (T.P30 or T.P35) at this time
to let the reading be V
OR6
(V
OG6
or V
OB6
).
V
B1
main brightness control characteristics (at max.) and
V
B1
relative main brightness control characteristics (at max.)
1. The conditions shall be as specified in the electrical
characteristics table.
2. Use an ammeter to measure the output of T.P25 (T.P30 or T.P35)
at this time to let the value be V
OR7
(V
OG7
or V
OB7
).
This value represents V
B1
.
3. For relative brightness control characteristics, further, calculate
difference between channels from V
OR7
, V
OG7
or V
OB7
.
V
B2
main brightness control characteristics (at typ.) and
V
B2
relative main brightness control characteristics (at typ.)
1. The conditions shall be as specified in the electrical characteristic
table.
2. Use an ammeter to measure the output of T.P25 (T.P30 or T.P35)
at this time to let the value be V
OR7'
(V
OG7'
or V
OB7'
).
This value represents V
B2.
3. For relative brightness control characteristics
V
B2
, further,
calculate difference between channels from V
OR7'
, V
OG7'
or V
OG7'
.
V
B3
main brightness control characteristics (at min.) and
V
B3
relative main brightness control characteristics (at min.)
1. The conditions shall be as specified in the electrical
characteristics table.
2. Use an ammeter to measure the output of T.P25 (T.P30 or T.P35)
at this time to let the value be V
OR7"
(V
OG7"
and V
OB7"
).
This value represents V
B3
.
3. For relative brightness control characteristics
V
B3
, further,
calculate difference between channels from V
OR7"
, V
OG7"
and
V
OB7"
.
V
SB
1 sub-brightness control characteristics (at max.) and (at
min.)
Same as V
B1
and
V
B1
except changing sub-brightness (V32, V27
and V22) to 5.0V or 0V. However, exclude 3. of V
B1
and
V
B1
.
F
C1
frequency characteristics 1 (f=50MHz at max.),
Relative frequency characteristics 1 (F=50MHz at max.),
F
C
1'
frequency characteristics 1 (f=110MHz at max.), and
Relative frequency characteristics (f=110MHz at max.)
1. The conditions shall be as specified in the electrical
characteristics table.
2. Whilst SG3 and SG4 are used, measure the output waveform
amplitude of T.P25 (T.P30 or T.P35) as given in G
V
and
G
V
.
3. Now, when letting this value be:
output amplitude V
OR1
(V
OG1
or V
OB1
) when SG1 is input,
output amplitude V
OR8
(V
OG8
or V
OB8
) when SG3 is input, or
output amplitude V
OR9
(V
OG9
or V
OB9
) when SG4 is input,
frequency characteristics F
C1
or F
C1'
is calculated from:
4. For relative frequency bands,
F
C1
and
F
C1'
, calculate
difference between F
C1
and F
C1'
for each channel.
F
C2
frequency characteristics 2 (f=110MHz at typ.) and
F
C2'
relative frequency characteristics 2 (f=110MHz at typ.)
Same as F
C1
or F
C1'
except reducing CONTRAST (V17) to 2.0V.
F
C3
frequency characteristics 3 (f=110MHz at min.) and
F
C3'
relative frequencycharacteristics3 (f=110MHz at min.)
Same as F
C1
and F
C1'
except reducing CONTRAST (V17) to 1.0V.
V
SCR1
=V
OR4
/V
OG4
, V
OG4
/V
OB4
, V
OB4
/V
OR4
V
SCR1
=20log
V
OR4
(V
OG4
, V
OB4
) [V
P-P
]
0.7 [V
P-P
]
V
CR3
=V
OR6
/V
OG6
, V
OG6
/V
OB6
, V
OB6
/V
OR6
V
CR3
=20log
V
OR6
(V
OG6
, V
OB6
) [V
P-P
]
0.7 [V
P-P
]
V
B1
=V
OR7
V
OG7
[mV]
V
OG7
V
OB7
V
OG7
V
OB7
V
B2
=V
OR7’
V
OG7’
[mV]
=V
OG7’
V
OB7’
=V
OB7’
V
OR7’
V
B3
=V
OR7’’
V
OG7’’
[mV]
=V
OG7’’
V
OB7’’
=V
OB
7’’ V
OR
7’’
F
C1
=20log
V
OR8
(V
OG8
, V
OB8
) [V
P-P
]
V
OR1
(V
OG1
, V
OB1
) [V
P-P
]
F
C1’
=20log
V
OR9
(V
OG9
, V
OB9
) [V
P-P]
V
OR1
(V
OG1
, V
OB1
) [V
P-P
]
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