
MITSUBISHI ICs (Monitor)
M52745SP
BUS CONTROLLED 3-CHANNEL VIDEO PREAMP FOR CRT DISPLAY MONITOR
7
V
C3
Main contrast control characteristics3
Measuring the amplitude output at OUT (24, 28, 31).
The measured value is called VOUT (24, 28, 31).
V
C3
Main contrast control relative characteristics3
Measuring condition and procedure are the same as described in
V
C1
.
V
SC1
Sub contrast control characteristics1
Measure the amplitude output at OUT (24,28,31). The measured
value is called VOUT (24, 28, 31). Sub contrast control
characteristics V
SC1
is calculated by the equation below:
V
SC1
Sub contrast control relative characteristics1
Relative characteristics V
SC1
is calculated by the equation below:
V
SC1
=VOUT (24)/VOUT (28),
VOUT (28)/VOUT (31),
VOUT (31)/VOUT (24).
V
SC2
Sub contrast control characteristics2
Measuring condition and procedure are the same as described in
V
SC1
.
V
SC2
Sub contrast control relative characteristics2
Measuring condition and procedure are the same as described in
V
SC1
.
V
SC3
Sub contrast control characteristics3
Measuring the amplitude output at OUT (24,28,31).
The measured value is called VOUT (24, 28, 31).
V
SC
3 Sub contrast control relative characteristics3
Measuring condition and procedure are the same as described in
V
SC1
.
VMSC Main/sub contrast control characteristics
Measure the amplitude output at OUT (24, 28, 31). The measured
value is called VOUT (24, 28, 31). Main/Sub contrast control
characteristics VMSC is calculated by the equation below:
VMSC Main/sub contrast control relative characteristics
Relative characteristics VMSC is calculated by the equation
below:
VMSC = VOUT (24)/VOUT (28),
VOUT (28)/VOUT (31),
VOUT (31)/VOUT (24)
ABL1 ABL control characteristics1
Measure the amplitude output at OUT (24,28,31). The measured
value is called VOUT (24,28,31), and is treated as ABL1.
ABL1 ABL control relative characteristics1
Relative characteristics ABL1 is calculated by the equation below:
ABL1= VOUT (24)/VOUT (28),
VOUT (28)/VOUT (31),
VOUT (31)/VOUT (24)
ABL2 ABL control characteristics2
Measuring condition and procedure are the same as described in
ABL1.
ABL2 ABL control relative characteristics2
Measuring condition and procedure are the same as described in
ABL1.
V
B1
Brightness control characteristics1
Measure the DC voltage at OUT (24, 28, 31) with a voltmeter. The
measured value is called VOUT (24, 28, 31), and is treated as V
B1
.
V
B1
Brightness control relative characteristics1
Relative characteristics V
B1
is calculated by the difference in the
output between the channels.
V
B1
= VOUT (24)-VOUT (28),
VOUT (28)-VOUT (31),
VOUT (31)-VOUT (24)
V
B2
Brightness control characteristics2
Measuring condition and procedure are the same as described in
V
B1
.
V
B2
Brightness control relative characteristics2
Measuring condition and procedure are the same as described in
V
B1
.
V
B3
Brightness control characteristics3
Measuring condition and procedure are the same as described in
V
B1
.
V
B3
Brightness control relative characteristics3
Measuring condition and procedure are the same as described in
V
B1
.
V
SC1
=20Log V0.7
(dB)
VMSC =20Log
VOUT
0.7
(dB)
PRELIMINARY
Some parametric limits are subject to change.