Irv, I saw an article some time ago on Latest. It sounded very much like traditional THD measurement, but with the addition of DC bias. Have I misunderstood, and if not what is the advantage of the DC bias? David Whalley Loughborough University > >FROM: I. MEMIS, DEPT GGMG/BLDG 257-4, AISLE A, ENDICOTT >*** Resending note of 08/13/96 13:54 > ENDICOTT ELECTRONIC PACKAGING >SUBJECT: Fault finding on test vehicles >========================================================================= >SUBJECT: Fault finding on test vehicles >The most effective system that we have for detection of "near-opens" or >"intermittents" is using LATEST Model 10. This is described in technical >reports that have been presented at IPC and other conferences. LATEST >is capable of finding local 3 milliohm deviations from nominal in a >5 ohm line. After confirming the presence of the "near-open" with LATEST >you then start to split the net thru probing with LATEST to isolate the >bad section. Good parts of the net show low levels of LATEST output but >the bad sections repeat the end to end LATEST net output. If anyone is >interested in more info, please contact me at 607-755-6022. >Irv Memis >IBM >Endicott,NY *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To unsubscribe from this list at any time, send a message to: * * [log in to unmask] with <subject: unsubscribe> and no text. * ***************************************************************************