Tim Williams wrote:
You probably need a termination. Rise times in nanoseconds means harmonics
in the hundreds of MHz, easily enough to generate reflections and standing
waves on unterminated lines. And woe is he who has a crappy line...I can't
imagine ribbon cable is all that happy if you don't ground every other wire.

Tim


The DAQ card and perif boards all have termination. Would I need some
diode termination setup at the external clock source too? Or is having
it at the terminal devices sufficient?