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The color burst from AD723 seems to move on AD723 Eval Board.

Thread Summary

The user inquired about the variability of the color burst start point on the AD723 Eval Board (AD723EB rev.B). The engineer confirmed that the maximum phase error due to asynchronous operation is one cycle of 4FSC (90 degrees at 3.579545 MHz), and variations due to temperature, process, and voltage are negligible. The user should focus on the accuracy of the external 4FSC oscillator (14.318180 MHz) for assessing the burst start point variation.
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Hello,

I have questions about AD723.
The start point of color burst from AD723 seems to move on AD723 Eval Board (AD723EB rev.B).
Could you see attached file "Color_burst_AD723_rev01.xlsx" for more detail?

Thank you!

Best regards.
Tamu

Color_burst_AD723_rev01.xlsx
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  • FormerMember
    FormerMember
on May 29, 2013 12:50 PM
0

I'm trying to get more information form the AD723 expert on this issus.

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  • FormerMember
    FormerMember
on May 29, 2013 12:50 PM
0

I'm trying to get more information form the AD723 expert on this issus.

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