"Richard Fry" wrote in message
...
"The other John Smith" wrote
Is there any condition where a passive, real-world, network
could show a negative resistance?
____________

"Negative towers' exist in some MW broadcast directional arrays. Here is
a
link to a paper about it: http://www.qsl.net/km5kg/negative.htm. Don't
know if that addresses your situation or not...

RF


Thanks, Richard. I'll take a look.

John