Datasheet

AD725
REV. 0
–7–
06010 20 30 40 50
APL = 48.2%
525 LINE NTSC NO FILTERING
SLOW CLAMP TO 0.00V @ 6.63ms
100
50
0
–50
1.0
0.5
–0.5
0.0
ms
VOLTS
IRE
0.5MHz 1MHz 2MHz 3MHz 4MHz 5MHz
Figure 11. Multiburst, NTSC
9.35ms
5.57ms
4.80ms
38.0 IRE
36.1 IRE
H TIMING MEASUREMENT RS–170A (NTSC)
FIELD = 1 LINE = 22
AVERAGE $ 256
89ns
85ns
9.0
CYCLES
Figure 12. Horizontal Timing, NTSC
1ST 2ND 3RD 4TH 5TH 6TH
0.00 0.07 –0.05 0.20 0.22 0.39
0.00
–0.33 0.10 0.70 1.05 1.17
DG DP (NTSC)
DIFFERENTIAL GAIN (%)
DIFFERENTIAL PHASE (deg)
MIN = –0.05 MAX = 0.39
MIN = –0.33 MAX = 1.17 pk–pk = 1.50
0.5
0.4
0.3
0.2
0.1
0.0
–0.1
–0.2
2.0
1.5
1.0
0.5
0.0
–0.5
–1.0
Wfm — > MOD 5 STEP
pk–pk/MAX = 0.44
Figure 13. Composite Output Differential Phase
and Gain, NTSC
06010 20 30 40 50
APL = 48.2%
625 LINE PAL NO FILTERING
SLOW CLAMP TO 0.00V @ 6.72ms
100
50
0
–50
1.0
0.5
–0.5
0.0
ms
VOLTS
IRE
1MHz 2MHz 3MHz 4MHz 5MHz 6MHz
Figure 14. Multiburst, PAL
5.67ms
AVERAGE $ 256
89ns
70ns
2.29ms
4.90ms
287.7mV
273.4mV
H TIMING (PAL)
LINE = 25
Figure 15. Horizontal Timing, PAL
1ST 2ND 3RD 4TH 5TH 6TH
0.00 –0.06 0.15 0.23 0.43 0.38
0.00
–0.44 –0.02 0.70 1.17 1.34
DG DP (PAL)
DIFFERENTIAL GAIN (%)
DIFFERENTIAL PHASE (deg)
MIN = –0.06 MAX = 0.43 pk–pk = 0.49
MIN = –0.44 MAX = 1.34 pk–pk = 1.79
0.5
0.4
0.3
0.2
0.1
0.0
–0.1
–0.2
2.0
1.5
1.0
0.5
0.0
–0.5
–1.0
Wfm — > MOD 5 STEP
Figure 16. Composite Output Differential Phase
and Gain, PAL