M52743BSP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC

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M52743BSP

I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER

MITSUBISHI ELECTRIC  

MITSUBISHI ICs (Monitor)

M52743BSP

I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER

VSC1 Sub contrast control characteristics1

Measur the amplitude output at OUT (29, 32, 35). The measured

value is called VOUT (29, 32, 35). Sub contrast control

characteristics VSC1 is calculated by the equation below:

VSC1=20Log VOUT (dB)

0.7

∆VSC1 Sub contrast control relative characteristics1

Relative characteristics ∆VSC1 is calculated by the equation below:

∆VSC1= VOUT (29)/VOUT (32),

VOUT (32)/VOUT (35),

VOUT (35)/VOUT (29).

VSC2 Sub contrast control characteristics2

Measuring condition and procedure are the same as described in

VSC1.

∆VSC2 Sub contrast control relative characteristics2

Measuring condition and procedure are the same as described in

∆VSC1.

VSC3 Sub contrast control characteristics3

Measuring condition and procedure are the same as described in

VSC1.

∆VSC3 Sub contrast control relative characteristics3

Measuring condition and procedure are the same as described in

∆VSC1.

VMSC Main/sub contrast control characteristics2

Measure the amplitude output at OUT (29, 32, 35). The measured

value is called VOUT (29, 32, 35). Main/Sub contrast control

characteristics VMSC1 is calculated by the equation below:

VMSC1=20Log VOUT (dB)

0.7

∆VMSC Main/sub contrast control relative characteristics2

Relative characteristics ∆VMSC1 is calculated by the equation

below:

∆VMSC= VOUT (29)/VOUT (32),

VOUT (32)/VOUT (35),

VOUT (35)/VOUT (29)

ABL1 ABL control characteristics1

Measure the amplitude output at OUT (29, 32, 35). The measured

value is called VOUT (29, 32, 35), and is ttreated as ABL1.

∆ABL1 ABL control relative characteristics1

Relative characteristics ∆ABL1 is calculated by the equation below:

∆ABL1= VOUT (29)/VOUT (32),

VOUT (32)/VOUT (35),

VOUT (35)/VOUT (29)

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.

VB1 Brightness control characteristics1

Measure the DC voltage at OUT (29, 32, 35) with a voltmeter. The

measured value is called VOUT (29, 32, 35), and is ttreated as VB1.

∆VB1 Brightness control relative characteristics1

Relative characteristics ∆VB1 is calculated by the difference in the

output between the channels.

∆VB1= VOUT (29)-VOUT (32),

VOUT (32)-VOUT (35),

VOUT (35)-VOUT (29)

VB2 Brightness control characteristics2

Measuring condition and procedure are the same as described in

VB1.

∆VB2 Brightness control relative characteristics2

Measuring condition and procedure are the same as described in

∆VB1.

VB3 Brightness control characteristics3

Measuring condition and procedure are the same as described in

VB1.

∆VB3 Brightness control relative characteristics3

Measuring condition and procedure are the same as described in

∆VB1.

FC1 Frequency characteristics1 (f=50MHz)

First, SG3 to 1MHz is as input signal. Input a resister that is about

2kΩ to offer the voltage at input pins (2, 6, 11) in order that the bot-

tom of input signal is 2.5V. Control the main contrast in order that

the amplitude of sine wave output is 4.0VP-P. Control the brightness

in order that the bottom of sine wave output is 2.0VP-P. By the same

way, measure the output amplitude when SG3 to 50MHz is as input

signal. The measured value is called VOUT (29, 32, 35). Frequency

characteristics FC1 (29, 32, 35) is calculated by the equation below:

FC1=20Log

VOUT VP-P

(dB)

Output amplitude when inputed SG3 (1MHz):4VP-P

∆FC1 Frequency relative characteristics1 (f=50MHz)

Relative characteristics ∆FC1 is calculated by the difference in the

output between the channels.

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