In message <[email protected]>, dated Tue, 3 Apr 2007, Kim Boll Jensen <[email protected]> writes:
>Will a small battery charger connected to a small wall-plug PSU with >and output of 5 Vdc 0.5A requires approval for the hole product ? (The >PSU will be SABS approved) and what about EMC. The EMC situation depends very much on whether it or the power supply contains a switching circuit operating above 9 kHz. If not, EMC is almost certainly not an issue - the product complies without needing test. -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk There are benefits from being irrational - just ask the square root of 2. John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK - 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/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 email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email ______________________________________________________________________
