M52742ASP データシートの表示（PDF） - Renesas Electronics

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M52742ASP

BUS Controlled 3-Channel Video Preamp for CRT Display Monitor

Renesas Electronics 

M52742ASP

VSC1 Sub Contrast Control Characteristics1

Measure 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:

VOUT

VSC1 = 20log 0.7 (dB)

∆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 the amplitude output at OUT (29, 32, 35).

The measured value is called VSC3

∆VSC3 Sub Contrast Control Relative Characteristics3

Measuring condition and procedure are the same as described in ∆VSC1.

VMSC Main/sub Contrast Control Characteristics

Measure the amplitude output at OUT (29, 32, 35). The measured value is called VMSC.

∆VMSC Main/sub Contrast Control Relative Characteristics

Relative characteristics ∆VMSC 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 treated 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)

REJ03F0192-0201 Rev.2.01 Mar 31, 2008

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