AK8826VN Datasheet, PDF (50/157 Pages) Asahi Kasei Microsystems – HD/SD Multi Format Video Encoder with 3ch DAC

Frequency response of Band-Width Limitation Filter
The default frequency response (HDYFLT [1:0]= 00 / HDCFLT[1:0]=00) is shown in the previous section.
[AK8826VN]
10
0
-10 ^{0 2 4 6 8 10 12 14 16 18 20 22 24 26}
-20
YFLT1
YFLT2
-30
-40
-50
-60
Frequency[MHz]
10
0
-10 ^{0 1 2 3 4 5 6 7 8 9 10 11 12 13}
-20
CFLT1 CFLT2
-30
-40
-50
-60
Frequency[MHz]
Fig. 49 525i / 625i Luminance Band-Width Limitation Filter Fig. 48 525i / 625i Chrominance Band-Width Limitation Filter
10
0
-10 ⁰
-20
-30
5
10
15
20
25
YFLT2
YFLT1
-40
-50
-60
ç ç ç ç ç ç ç ç ç ç ç ç ç^Fç^{requency[MHz]}
10
0
-10 ^{0 1 2 3 4 5 6 7 8 9 10 11 12 13}
YCFFLLTT22
-20
C^YF^FL^LT^T1¹
-30
-40
-50
-60
Frequency[MHz]
Fig. 50 525P / 625P Luminance Band-Width Limitation Filter Fig. 51 525P/ 625P Chrominance Band-Width Limitation Filter
10
10
0
-10 ⁰
-20
-30
5 10 15 20 25 30 35 40 45 50 55 60 65 70
YFLT2
YFLT1
0
0
-10
-20
-30
5 10 15 20 25 30 35
CFLT2
CFLT1
-40
-40
-50
-50
-60
Frequency[MHz]
ççççççççççççççç
Fig. 53 1080i/720P Luminance Band-Width Limitation Filter
-60
Frequency[MHz]
Fig. 52 1080i/720P Chrominance Band-Width Limitation Filter
MS0972-E-01
50
2008/12