Cirrus Logic CS4955 User Manual
Page 31
CS4954 CS4955
DS278F6
31
0
2
4
6
8
10
12
-3
-2.5
-2
-1.5
-1
-0.5
0
0.5
1
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
0
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
0.5
1
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
0
Chroma Output Interpolator Full Scale
Frequency (MHz)
Magnitude Response (dB)