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I have prepared a graph from the multidrop channel model as discussed in the ad hoc call.
I have put this together in a few slides.
Please let me know if you need further input.
If you have done any simulations you can share your channel data/graphs as well, so I can double check.
Just to clarify, because I am not sure, if I can participate on Wednesday ad hoc call:
I have provided a sample of an Touchstone file, representing the max_linear topology from http://www.ieee802.org/3/cg/public/adhoc/buntz_10SPE_05b_0329.pdf, slide 4.
This is just to “test” if this data is a) readable and b) helpful for further investigations from semiconductor vendor side.
Here is the Touchstone file:
The example is an S16p touchstone file. It represents the MAX passive linear topology shown in earlier presentations, the topology is simulated in a 50ohm system (each wire is terminated with 50ohms in the simulation). The differential ports are always two adjacent ports of the simulation (e.g. "1" and "2" are together the differential port of the head node, 3 and 4 are the ports of the first leave node and so on...) Question to the group: is such data helpful to simulate further? If so, I will try to provide multiple topology examples.