[SI-LIST] current mode outputs differential pair

Hello all,

what's tht output  resistance of current mode outputs 
differential pair?

when I use the pin 41 and 40  of
http://www.icst.com/ibis/ver2/954201b.ibs to simulate
the reflection, I find that when  parallel a
Z0(transmission line resistance) with the output, the
overshoot is very large. So the output resitance is
not very large.

Can I terminate the line from source?

B.R.
Astrom




                
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