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Altera_Forum
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13 years ago

how to connect analog input directly to FPGA Altera board?

hi; I want to implement Sigma Delta ADC on Altera DE1, i wrote the code and run on QuartusII; now i want to know is it possible to connect the analog input directly to the board? as in my co...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

hi FvM, as i searched cyclonII doesnt have LVDS input; so you mean i should use an analog comparator off chip instead? with RC network. and design other parts of Sigma Delta ADC on FPGA ; such as a circuit i attached?

thank you.