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Altera_Forum
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15 years ago

CycloneIII: LVDS_E_3R TX output voltage

Hi, I am currently using an EP3C10F256C8 Cyclone III in a project for LVDS transmission/mixing. It contains a 2x5-channel input on I/Obanks 5 + 6 (true LVDS input: I/O standard LVDS) and a sa...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

A simple hand calculation of the voltage divider clarifies, that the differential voltage can't be 850 mV. I also don't remember to have seen a too large output with E_3R. So something must be expected wrong, either with your hardware setup or the measurement.