On Sun, 27 Jan 2013 09:01:56 +1000, Jim Thompson
wrote:

On Sun, 27 Jan 2013 08:56:08 +1000, "David Eather"
wrote:

On Sun, 27 Jan 2013 03:18:52 +1000, Jim Thompson
wrote:

What are these nodes?

http://tinyurl.com/bjxndpg

...Jim Thompson


Isn't the thevein equivalent of what those nodes are connected to a
short
circuit?

I guess you might say that. What are they "shorted" TO?

In an AC analysis, all _FIXED_ voltage sources are presumed ZERO.

...Jim Thompson

If you stick thevein in then it is clearly shorted to gnd so it must be
equivalent to zero