CE + CE = CE is exactly what I had in mind with my original post. And I was thinking that the derivative limit and isolation requirement would be a gov't or industry-wide standard, as opposed to an in-house specification.
> From: Cortland Richmond <[email protected]> > Date: Mon, 10 Oct 2005 14:46:35 -0400 > To: ieee pstc list <[email protected]> > Subject: Re: Conducted emission testing for FCC & CE. > > That is how we might deal with "CE+CE isn't CE." However, any derivative > standard we may produce is > 1) peculiar to own firm(s) and > 2) lacks the force of law. > > If your firm is called, say, "Verizon" -- grin! -- you can impose standards > on an entire industry, but "Widget Works Work Rule 1(b)EMC" cuts no ice > with people who don't _really_ need the business. > > > Cortland Richmond > > > Ken Javor wrote >>> Assuming that a conducted emission test still will be levied, that > requires > the kind of derivative limit and isolation requirement I suggested below. > Plus, you are now dependent on how clean the power supply is, instead of > using a laboratory grade power supply. > >> From: "Sterner, David [S&FS]" <[email protected]> >> [SNIPPED] >> Why not test with the USB device connected to a USB hub and regard the >> PC as AUX EQUIPMENT. > > - > ---------------------------------------------------------------- > This message is from the IEEE Product Safety Engineering Society > emc-pstc discussion list. Website: http://www.ieee-pses.org/ > > To post a message to the list, send your e-mail to [email protected] > > Instructions: http://listserv.ieee.org/listserv/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] > > All emc-pstc postings are archived and searchable on the web at: > > http://www.ieeecommunities.org/emc-pstc > - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/listserv/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] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
