On Fri, 12 Oct 2007 02:06:53 -0700, The Phantom wrote:

On Fri, 12 Oct 2007 01:55:12 +0100, "john jardine"
wrote:


"The Phantom" wrote in message
. ..
As promised.


[Useful reading. But yes, there's caveats with the 'x2' limit.]

Attached, a contrived, LTspice structure, giving 2 gain.

In the Epstein paper, he says that the gain is 2 if the network is a
general ladder network. At the end of the paper, he admits he has now

Jeeesh . What an awkward typo. This should say "...he admits he has NO
formal poof."

formal proof.

The example you've given would seem to indicate that, using ideal
components with mathematically unlimited values, the gain obtainable is
unbounded.