SAA7151 datasheet(39/49 Pages) PHILIPS

39 / 49 page

April 1993

Philips Semiconductors

Product speciﬁcation

Digital multistandard colour decoder with

SCART interface (DMSD2-SCART)

SAA7151B

Fig.22 Frequency response of chroma stop filter in

colour-difference mode for 50 Hz PAL. Filter

is only active in fast switching mode, but

bypassed in RGB mode. The selected filter

is dependent on actual detected colour

standard.

handbook, halfpage

024

−6

−18

−24

−30

−36

−42

−48

−12

MEH326

fY (MHz)

(dB)

PAL

Fig.23 Frequency response of chroma stop filter in

colour-difference mode for 60 Hz NTSC.

Filter is only active in fast switching mode,

but bypassed in RGB mode. The selected

filter is dependent on actual detected colour

standard.

handbook, halfpage

024

−6

−18

−24

−30

−36

−42

−48

−12

MEH325

fY (MHz)

(dB)

NTSC

Fig.24 Frequency response of chroma stop filter colour-difference mode for 50 Hz SECAM. Filter is only active

in fast switching mode, but bypassed in RGB mode. The selected filter is dependent on actual detected

colour standard.

handbook, halfpage

024

−6

−18

−24

−30

−36

−42

−48

−12

MEH327

fY (MHz)

(dB)

SECAM

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