参数资料
型号: TVP5147PFPR
厂商: TEXAS INSTRUMENTS INC
元件分类: 颜色信号转换
英文描述: COLOR SIGNAL DECODER, PQFP80
封装: GREEN, PLASTIC, HTQFP-80
文件页数: 14/100页
文件大小: 1465K
代理商: TVP5147PFPR
Functional Description
13
SLES099C—March 2007
TVP5147PFP
Figure 24. Color Low-Pass Filter Frequency
Response
Figure 25. Color Low-Pass Filter With Filter
Frequency Response, NTSC Square Pixel
Sampling
f Frequency MHz
70
60
50
40
30
20
10
0
10
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
PAL SQP 3 dB
@ 1.55 MHz
NTSC SQP 3 dB
@ 1.29 MHz
ITU-R BT.601 3 dB
@ 1.42 MHz
Amplitude
dB
f Frequency MHz
70
60
50
40
30
20
10
0
10
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Amplitude
dB
Filter 0
3 dB @ 1.29 MHz
Filter 1
3 dB
@ 936 kHz
Filter 3
3 dB @ 504 kHz
Filter 2
3 dB @ 767 kHz
70
60
50
40
30
20
10
0
10
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Figure 26. Color Low-Pass Filter With Filter
Characteristics, NTSC/PAL ITU-R BT.601
Sampling
Figure 27. Color Low-Pass Filter With Filter
Characteristics, PAL Square Pixel Sampling
f Frequency MHz
70
60
50
40
30
20
10
0
10
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Amplitude
dB
Filter 3
3 dB @ 554 kHz
Filter 2
3 dB @ 844 kHz
Filter 1
3 dB
@ 1.03 MHz
Filter 0
3 dB @ 1.41 MHz
f Frequency MHz
Amplitude
dB
Filter 3
3 dB
@ 605 kHz
Filter 0
3 dB @ 1.55 MHz
Filter 2
3 dB @ 922 kHz
Filter 1
3 dB
@ 1.13 MHz
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