LC7471 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LC7471

On-Screen Display Controller for NTSC-Format Video

SANYO -> Panasonic 

LC7471

Composite Video Output

The character and background images are superimposed onto the composite video signal.

The composite video signal output levels when the sync pulse level is 1.2V and VDD=5.000V are shown in the follow-

ing figure and the voltages corresponding to the relative carrier amplitudes in the following table.

Relative carrier amplitude (IRE)

100

85

50

20

5.6

0

–20

–40

Output voltage amplitude (V)

3.200

2.986

2.485

2.057

1.851

1.771

1.486

1.200

No.4088–10/12

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