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Altera_Forum
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17 years ago

Cyclone III : Impedance Matching

Hi guys. So i bought a Cyclone III Starter kit and Santa Cruz Video Input Daughter Card with the TVP5146 Video Decoder chips. I also bought a HSMC E-Gasket card availiable from SLS. Now ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

I would expect any well-designed daughter card to use appropriate source sided signal termination. The requirement applies for Cyclone II as well. Comparing the specified maximum input ratings, there is no beig difference between EPC2 and EPC3. Cyclone III has additional duty cycle specifications for overvoltage because of more sensitive chip technology.

To know exactly, you should check the signals with an active probe.