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Altera_Forum's avatar
Altera_Forum
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15 years ago

interface stratixIV with an external ultrafast comparator

Hi everybody :) we need to interface ultrafast comparator- ADCMP572 - of analog device to a stratix4 device to perform one bit conversion. we expect that the comparator will ouput very short...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

OliB revealed, that ADCMP572 uses a different flavour of CML than Stratix IV, that can't be DC coupled to each other directly. I understand, that the signal nature doesn't allow AC coupling in this case. So some kind of DC level shift is required.