AD724JR datasheet(7/15 Pages) AD

номер детали	AD724JR

подробное описание детали	RGB to NTSC/PAL Encoder

PDF	15 Pages

Scroll/Zoom	100%

производитель	AD [Analog Devices]

домашняя страница	http://www.analog.com

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7 / 15 page

AD724

REV. B

–7–

1ST

2ND

3RD

4TH

5TH

6TH

0.00

–0.16

–0.49

–0.53

–0.52

–0.38

0.00

–0.44

–1.14

–1.01

–0.53

–0.01

DG DP (NTSC) (SYNC = EXT)

FIELD = 1 LINE = 27, 100 IRE RAMP

DIFFERENTIAL GAIN (%)

DIFFERENTIAL PHASE (deg)

MIN = –0.53

MAX = 0.00

p–p/MAX = 0.53

MIN = –1.14

MAX = 0.00

pk–pk = 1.14

–0.8

–0.6

–0.4

–0.2

0.0

0.2

0.5

0.0

–0.5

–1.0

–1.5

Figure 10. Composite Output

Differential Phase and Gain, NTSC

1ST

2ND

3RD

4TH

5TH

6TH

0.00

–0.14

–0.32

–0.16

0.04

0.10

0.00

–1.01

–1.18

–0.44

0.42

0.70

DG DP (PAL) (SYNC = EXT)

LINE = 25, 700mV RAMP

DIFFERENTIAL GAIN (%)

DIFFERENTIAL PHASE (deg)

MIN = –0.32

MAX = 0.10

pk–pk = 0.42

MIN = –1.18

MAX = 0.70

pk–pk = 1.89

0.2

0.1

0.0

–0.2

–0.4

–0.5

0.3

–0.3

–0.1

1.5

1.0

0.5

0.0

–0.5

–1.0

–1.5

–2.0

Figure 11. Composite Output

Differential Phase and Gain, PAL

9.72 s

5.49 s

4.59 s

39.7 IRE

33.8 IRE

H TIMING MEASUREMENT RS–170A (NTSC)

FIELD = 1 LINE = 22

124ns

100ns

9.0

CYCLES

AVERAGE

256

Figure 12. Horizontal Timing, NTSC

5.59 s

AVERAGE

256

102ns

94ns

2.28 s

4.60 s

293.5mV

249.0mV

H TIMING (PAL)

LINE = 25

Figure 13. Horizontal Timing, PAL

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