AD725 데이터 시트보기 (PDF) - Analog Devices
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AD725 Datasheet PDF : 20 Pages
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1.0
APL = 48.2%
525 LINE NTSC NO FILTERING
SLOW CLAMP TO 0.00V @ 6.63s
100
0.5
50
0.5MHz 1MHz 2MHz 3MHz 4MHz 5MHz
0.0
0
–0.5
0
10
20
30
40
50
s
Figure 11. Multiburst, NTSC
–50
60
AD725
1.0
APL = 48.2%
625 LINE PAL NO FILTERING
SLOW CLAMP TO 0.00V @ 6.72s 100
0.5
50
1MHz 2MHz 3MHz 4MHz 5MHz 6MHz
0.0
0
–0.5
0
10
20
30
40
50
s
Figure 14. Multiburst, PAL
–50
60
H TIMING MEASUREMENT RS–170A (NTSC)
FIELD = 1 LINE = 22
5.57s
4.80s
9.35s
9.0
CYCLES
85ns
89ns
38.0 IRE
36.1 IRE
AVERAGE Ն 256
Figure 12. Horizontal Timing, NTSC
H TIMING (PAL)
LINE = 25
4.90s
5.67s
2.29s
70ns
89ns
287.7mV
273.4mV
AVERAGE Ն 256
Figure 15. Horizontal Timing, PAL
DG DP (NTSC)
DIFFERENTIAL GAIN (%)
0.00
0.07
0.5
0.4
0.3
0.2
0.1
0.0
–0.1
–0.2
DIFFERENTIAL PHASE (deg)
2.0
0.00
–0.33
1.5
1.0
0.5
0.0
–0.5
–1.0
1ST
2ND
Wfm —> MOD 5 STEP
MIN = –0.05 MAX = 0.39 pk–pk/MAX = 0.44
–0.05
0.20
0.22
0.39
MIN = –0.33 MAX = 1.17 pk–pk = 1.50
0.10
0.70
1.05
1.17
3RD
4TH
5TH
6TH
Figure 13. Composite Output Differential Phase
and Gain, NTSC
DG DP (PAL)
DIFFERENTIAL GAIN (%)
0.00
0.5
–0.06
0.4
0.3
0.2
0.1
0.0
–0.1
–0.2
DIFFERENTIAL PHASE (deg)
2.0
0.00
–0.44
1.5
1.0
0.5
0.0
–0.5
–1.0
1ST
2ND
Wfm —> MOD 5 STEP
MIN = –0.06
MAX = 0.43 pk–pk = 0.49
0.15
0.23
0.43
0.38
MIN = –0.44
MAX = 1.34
–0.02
0.70
1.17
pk–pk = 1.79
1.34
3RD
4TH
5TH
6TH
Figure 16. Composite Output Differential Phase
and Gain, PAL
REV. 0
–7–
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