MP4680 datasheet(19/28 Pages) PHILIPS

Teilenummer	MP4680

Bauteilbeschribung	Video processor with automatic cut-off and white level control

PDF	28 Pages

Scroll/Zoom	100%

Hersteller	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

Logo

19 / 28 page

1996 Oct 25

Philips Semiconductors

Product speciﬁcation

Video processor with automatic cut-off

and white level control

TDA4680

Fig.7 Cut-off and white level measurement pulses.

handbook, full pagewidth

ultra-black level

(1)

(2)

cut-off measurement level

for green signal

white measurement level

for green signal

MED701

(1) Maximum brightness.

(2) Nominal brightness.

621 622 623 624 625 1

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

27 28

MR MG MB WR

PAL,

SECAM

NTSC,

PAL M

PAL,

SECAM

V component of the sandcastle pulse

vertical flyback 850

µs

(leakage current measurement time)

vertical blanking interval, 22 complete lines

V component of the sandcastle pulse

vertical blanking interval, 19 complete lines

V component of the sandcastle pulse

vertical blanking interval, 25 complete lines

(with

increased

vertical

blanking

interval)

cut-off and

white level

measurement

pulses

MED702

Fig.8 Leakage current, cut-off and white level current measurement timing diagram.

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