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Altera_Forum
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13 years ago

AC coupling LVDS Tx - CML Rx

Hi, I've read quite a few application notes here and there but have failed to come up with a solid conclusion. Whenever I've read on CML, it says they are mostly vendor specific so consult the ...
Altera_Forum's avatar
Altera_Forum
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13 years ago

Yes. If a device supports a dedicated AC coupled IO-standard, it can be expected to have internal biasing. You'll need to apply external biasing for devices that are not prepared for AC coupled inputs, e.g. LVDS IO-standard.