On 25 January 2012 20:17, Kirk Wallace <kwall...@wallacecompany.com> wrote:
> On Wed, 2012-01-25 at 19:52 +0200, Roland Jollivet wrote: > ... snip > > By the way, you are using a PNP package for a NPN device. Be sure to > > change it before doing a layout. > > > > Regards > > Roland > > Uugh, that's embarrassing. I got the part number from Viesturs' e-mail > reply, just pasted it in and didn't see the flaw. If this is really a > BD139, the circuit won't work. Thanks Roland. I guess I shouldn't apply > for any detective jobs. > > I suppose the BD139 could be made to work, but I would need to build the > circuit to say anything with confidence. See attached. > > I suppose a lot of what I do involves magic ... > by letting the magic smoke out of defenseless bits of plastic. > -- > Kirk Wallace > http://www.wallacecompany.com/machine_shop/ > http://www.wallacecompany.com/E45/index.html > California, USA > > Haha. Sorry, it's funny. The BD139 is a NPN, so the position was right, but the symbol should have been changed from PNP to NPN. Otherwise, you can leave the new drawing as is, but label it as a BD138. The BD138 is PNP. Regards Roland ------------------------------------------------------------------------------ Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
