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Altera_Forum's avatar
Altera_Forum
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13 years ago

AC Coupled LVDS vs DC Coupled LVDS

Hello to everyone, this time I´m coming to you with a question regarding the kind of coupling between the development board and the external devices where one would like to read or write data. ...
Altera_Forum's avatar
Altera_Forum
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13 years ago

The other requirement is that the inputs must have DC bias networks. The FPGA LVDS inputs don't have it, I think. So you have to bias to 1.2V externally.