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Demo Program THDB - ADA HSMC Board

Altera_Forum
Honored Contributor II
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Hey Guys, I'm using an Altera De2-115 Board and a THDB-ADA Hsmc Board. I just tried out the dmeo program, but it seems that it won't work right.  

I connected the oscilloscope and I get two added sinus waves(at least I think that). But on the Clock I don't get a good signal so I suppose that also the signal on DA-Channel B is not correct. 

i tried do understand the demo program but I'm not a fpga, verilog and so on pro so sorry. Maybe someone could help me or had a pic how the demo program should look like.  

BTW: The ada utility program works fine! 

 

Thanks!
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Altera_Forum
Honored Contributor II
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could you posta picture of the output wave? I don't know anyti g about the chip, but it could be overshoot. Does the frequency and voltage change anything in the signal's shape?

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Altera_Forum
Honored Contributor II
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sure, I attached two pics. The screenshoot from the osci after i run the demo program waveform generator and the second  

is the logic analyzer after I did all the steps for the a/d and d/a converter(connect A and B for example etc.)
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Altera_Forum
Honored Contributor II
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oh and no it changes nothing

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