TA1287FG Просмотр технического описания (PDF) - Toshiba

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TA1287FG

BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC

Toshiba 

TA1287PG,TA1287FG

FUNCTION DESCRIPTION

MIXING RATIO

TA1287PG, TA1287FG have a circuit, which mixes a main signal with an external input signal and outputs

the mixed signal. The mixing circuit has 8 combinations of mixing gain ratio of a main to an external

signals.

Table

YS1

L

H

L

H

L

H

L

H

The mixing ratio of external to main (TV)

YS2 YS3

THE MIXING RATIO

EXTERNAL

MAIN (TV)

L

L

0

1

L

L

0.3

0.7

H

L

0.4

0.6

H

L

0.5

0.5

L

H

0.6

0.4

L

H

0.7

0.3

H

H

0.8

0.2

H

H

1

0

MATRIX CONTROL

Pin 16 is a high-speed switch to control the matrix mode for output signals.

Table Matrix mode depending on by the voltage of pin 16

VOLTAGE OF PIN 16 [V]

0 ~ 0.7

~ 2.3

~ 3.8

3.8 ~

MODE

Through

RGB to YUV (PAL)

RGB to YUV (NTSC)

RGB to YIQ

5

2004-08-03

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