ADV7123 support 2:1 interlace SXGA output ?
What is problem points if ADC7123 can not support it ?
Hi Masato Kitajima,
we are looking into your question.
Could you clarify the question that you have asked. What is referred as 2:1 interlace? do you require a progressive to interlace chip? What is your input to the DAC?
Dear Edo san,
What is referred as 2:1 interlace?
-> It is the way that 1 picture is completed by 2 time transmission
do you require a progressive to interlace chip?
-> AD7123 is not interlace chip ,right ?
What is your input to the DAC?
-> I would realize following system
Input from DVI (Progressive) 1280 x1024 .
It divide Even/Odd (1280x512).
This signal input to AD7123 then output to monitor for interlace
* Is it 1280 x 512 progressive from AD7123 point of view ?
input composite sync which is synchronous with it to a monitor for interlace.
I think that progressive and interlace are on monitor side issue.
So AD7123 output is not related with them.
Is it correct recognition ?
Hi Kitajima san,
If you have split the progressive video signal by first outputting the top half to the ADV7123, the DAC will output what it gets on the input and after the DAC is updated I believe you intend to send the second half of the image.
So whatever signal that you send the DAC the DAC will output.
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