AD725 datasheet(7/20 Pages) AD

7 / 20 page

AD725

REV. 0

–7–

060

APL = 48.2%

525 LINE NTSC

NO FILTERING

SLOW CLAMP TO 0.00V @ 6.63 s

100

–50

1.0

0.5

–0.5

0.0

0.5MHz

1MHz

2MHz

3MHz

4MHz

5MHz

Figure 11. Multiburst, NTSC

9.35 s

5.57 s

4.80 s

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

060

APL = 48.2%

625 LINE PAL

NO FILTERING

SLOW CLAMP TO 0.00V @ 6.72 s

100

–50

1.0

0.5

–0.5

0.0

1MHz

2MHz

3MHz

4MHz

5MHz

6MHz

Figure 14. Multiburst, PAL

5.67 s

AVERAGE

256

89ns

70ns

2.29 s

4.90 s

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

AD725 Datasheet(PDF) 7 Page - Analog Devices

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