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Altera_Forum's avatar
Altera_Forum
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8 years ago

DE2-115 board with DCC AD/DA daughter card

Hi all. I am trying to implement a DDS with altera DE2-115 board. I want to use only the DAC of the daughter card. My codes run, no errors, in modelsim I can see the input thats gonna go in th...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

Hi,

1. Have you established common ground between oscilloscope and Board?

2. Have you used proper clock frequency based on the DAC Spec? check the frequency of your design and the data rate/Fclock of DAC?

3. For debugging you can use signal tap.

4. Also, try by hardcoding the digital inputs like 0000,1000 & 1111 so that we can see the change in levels also set oscilloscope in capture mode for the level required.

Best Regards,

Anand Raj Shankar

(This message was posted on behalf of Intel Corporation)