Cirrus-logic CS4955 Manuel d'utilisateur télécharger pdf (Page 31)

CS4954 CS4955

DS278F6 31

0 2 4 6 8 10 12

-3

-2.5

-2

-1.5

-1

-0.5

0.5

RGB datapath filter when rgb_bw = 1 (Reduced Bandwidth) (-3 dB)

Frequency (MHz)

Magnitude Response (dB)

Figure 22. Chroma Interpolator for RGB Datapath when

rgb_bw=1 (Reduced Bandwidth)

Figure 23. Chroma Interpolator for RGB Datapath when

rgb_bw=1 (Reduced Bandwidth)

0 2 4 6 8 10 12

-45

-40

-35

-30

-25

-20

-15

-10

-5

RGB datapath filter when rgb_bw = 1 (Reduced Bandwidth)

Frequency (MHz)

Magnitude Response (dB)

0 2 4 6 8 10 12

-3

-2.5

-2

-1.5

-1

-0.5

0.5

RGB datapath filter for rgb_bw = 0 (-3 dB)

Frequency (MHz)

Magnitude Response (dB)

Figure 24. Chroma Interpolator for RGB Datapath when

rgb_bw=0 -3 dB

Figure 25. Chroma Interpolator for RGB Datapath when

rgb_bw=0 (Full Scale)

0 5 10 15 20 25

-40

-35

-30

-25

-20

-15

-10

-5

Chroma Output Interpolator Full Scale

Frequency (MHz)

Magnitude Response (dB)

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 59 60

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Cirrus-logic CS4955 Manuel d'utilisateur Page 31

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