"legg" wrote in message
...
I'd try flipping C2 around to contact the ground at C4, to see if
there's a difference.

It makes the switcher go unstable. :-) Having already read some future
responses, though, I'm thinking that I then also want to cut the connection
going from the grounds on C2/R3/R5 back to the labeled ground test
point/via.

---Joel