Date: Sat Sep 30 2000 - 18:05:57 PDT
I've experimented in the lab using ferrites as back termination resistors.
What I've seen is that the ferrite will slow the risetime, reducing the
bandwidth of the circuit. All frequencies not reduced by the ferrite are
still available at the output of the driver (ferrite), and will produce
ringing, but with a longer length of transmission line. A resistor used as a
back termination doesn't exhibit the same property, but allows any length of
transmission line to be properly terminated.
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