Scott Dorsey wrote:


The reason it can be a problem (aside from mikes
with center ground taps on the transformer secondary) is that sometimes
those resistors are not very equal values.

How does this cause a problem (other than the rejection
issue)? If the same supply is presented to each side, and 1
is open, then current won't flow between 2 and 3 regardless
of the mismatch.


Bob
--

"Things should be described as simply as possible, but no
simpler."

A. Einstein