For the capacitor discharge time test, though, we need a high impedance. A series capacitor might be all that was necessary, looking into ten megohms.
Cortland Richmond > [Original Message] > From: Scott B. Lacey <[email protected]> > > A trick I've used for years to look at low > frequency ac power is to use a small > transformer to couple a single-ended scope > probe. Connect the primary to whatever you > want to look at and clip the probe to the > secondary (usually 12 to 24 V). Avoids letting > the smoke out. > > Scott B. Lacey - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc Graphics (in well-used formats), large files, etc. can be posted to that URL. Website: http://www.ieee-pses.org/ Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher: <[email protected]> David Heald: <[email protected]>
