GS1661 datasheet(43/84 Pages) SEMTECH

Part #	GS1661

Description	HD/SD SDI Receiver, with Integrated Adaptive Cable Equalizer complete with SMPTE Video Processing

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Manufacturer	SEMTECH [Semtech Corporation]

Direct Link	http://www.semtech.com

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43 / 84 page

GS1661 HD/SD SDI Receiver

Data Sheet

53751 - 3

September 2012

43 of 84

Figure 4-14: H:V:DE Output Timing 720 (1440) x 480i @ 59.94/60 (Format 6&7)

Figure 4-15: H:V:DE Output Timing 1280 x 720p @ 50 (Format 19)

1440 Clocks for Active Video

276

Data

Enable

1716 Total Horizontal Clocks per line

HSYNC

Data

Enable

HSYNC

VSYNC

Data

Enable

HSYNC

VSYNC

114 clocks

124

38

Field 1: 22 Vertical Blanking Lines

1716 clocks

238

240 Active Vertical Lines per field

38

240 Active Vertical Lines per field

Field 2: 23 Vertical Blanking Lines

524 525

1

2

3

4

5

6

7

8

9

21

22

238

38

1716 clocks

858

261 262 263 264 265 266 267 268 269 270 271

524 525

1

284 285

261 262 263

220 clocks

1280 Clocks for Active Video

700

Data

Enable

HSYNC

VSYNC

745 746 747

748 749

750

1

2

3

4

5

6

7

Data

Enable

HSYNC

1980 Total Horizontal Clocks per line

40

440

Progressive Frame: 30 Vertical Blanking Lines

1980 clocks

440

745 746

260

720 Active Vertical Lines

25

26

750

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