Stability of ring nervous nets

The simplistic Nervous nets are composed of a single loop. I believe that a Nervous net ring of N nodes can support N/2 pulses traveling
around it. I wish to know if this is a stable configuration or do you have to worry about pulses running into each other or pulses bouncing back and forth between more then one position. Might it be a good idea to try and stabilize the ring by adding a single flipflop in the loop so that each pulse can be clocked at some regular interval?
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Generally, a loop of "N nodes" is referred to as a core topology. In even numbered cores (e.g. Bicore, Quadcore), the n/2 state is stable. The timing is set by the fastest RC time constant. In odd numbered cores (e.g. Tricore), the n/2 state is not stable. The odd numbered node means that you cannot have every other node active. The result are high frequency trigger and reset pulses.

You can do that but it would be unusual. Typically, you get the core down to a single pulse. When there are no other pulses to interfere, the node remains active for the full RC time-out. There are a number of methods for getting a core down to a single pulse, the simplist involving one or more diodes.
See:
Bruce Robinson, "BEAM Startup Circuits", 23 Jul 2000 http://www3.telus.net/rfws/anr/anr_32.html
Regards,
J Wolfgang Goerlich
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