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参数资料
| 型号： | AD9983A/PCBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 9/44页 |
| 文件大小： | 0K |
| 描述： | KIT EVALUATION AD9983A |
| 标准包装： | 1 |
| 系列： | Advantiv® |
| 主要目的： | 视频，视频处理 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | AD9983A |
| 主要属性： | 3 x 8-Bit 140 MSPS ADC's |
| 次要属性： | 集成式 PLL 和 VCO |
| 已供物品： | 板 |
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AD9983A
Rev. 0 | Page 17 of 44
HSYNCOUT
VSYNC
FILTER
WINDOW
EXPECTED
EDGE
FILTER
WINDOW
EQUALIZATION
PULSES
HSYNCIN
0
647
5-
01
6
Figure 10. Sync Processing Filter
Vsync Filter and Odd/Even Fields
The Vsync filter is used to eliminate spurious Vsyncs, maintain
a stable timing relationship between the Vsync and Hsync
output signals, and generate the odd/even field output.
The filter works by examining the placement of Vsync with
respect to Hsync and if necessary shifting it in time slightly.
The goal is to keep the Vsync and Hsync leading edges from
switching at the same time, thus eliminating confusion as to
when the first line of a frame occurs. Register 0x14, Bit 2
enables the Vsync filter. Use of the Vsync filter is recommended
for all cases, including interlaced video, and is required when
illustrate even/odd field determination in two situations.
FIELD 1
FIELD 0
SYNC SEPARATOR THRESHOLD
FIELD 1
FIELD 0
23
2
1
44
31
HSYNCIN
VSYNCIN
VSYNCOUT
O/E FIELD
ODD FIELD
QUADRANT
06
47
5-
01
7
Figure 11. Vsync Filter—Odd Field
FIELD 1
FIELD 0
SYNC SEPARATOR THRESHOLD
FIELD 1
FIELD 0
23
2
1
44
31
HSYNCIN
VSYNCIN
VSYNCOUT
O/E FIELD
EVEN FIELD
QUADRANT
06
47
5-
01
8
Figure 12. Vsync Filter—Even Field
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD9983KSTZ-110 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD9983KSTZ-140 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD9983KSTZ-170 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Analog Devices 功能描述: |
| AD9984A | 制造商:AD 制造商全称:Analog Devices 功能描述:High Performance 10-Bit Display Interface |
| AD9984A/PCB | 制造商:Analog Devices 功能描述:DISPLAY INTRFC - Bulk |
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