5 Jun
2009
5 Jun
'09
3:52 p.m.
Tony Duell wrote:
I thoght that one state was a positive voltage between
+3V and +25V wrt
signal ground and the other state was a negative voltage between -3V and
-25V wrt signal ground. Anything between -3V and +3V is illegal.
That is what I remember.
Warren