In message <[email protected]>, dated Tue, 14 Apr 2009, T.Sato <[email protected]> writes:
>I assembled the IC in a box with a small DC/DC converter to power +/- >5V to the IC, and used a small AC/DC power supply unit to power the >box. No doubt it works, but I would avoid any switching technology in such a device. With a 6 V AC plug-top supply, two half-wave rectifiers of opposite polarity work quite well at such low currents, and the transformer doesn't see any net DC in the secondary. -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk Things can always get better. But that's not the only option. John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK - 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]>

