> Highest impedance is whiper in middle position, norton (or was it > thevenin?) equivalent is to parallel both 2.5k halves for a source > impedance of 1.25k. OK, kick ITA for me, and "wet finger mark on imaginary blackboard" for MR-J and Wouter -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body