Hi Dan, The Yahoo Protel User's Group file library is at: http://groups.yahoo.com/group/protel-users/files/ .
You have to login to Yahoo, and you have to be accepted into the group by the moderator to post. I sent some reference material on conductor clearance standards to Carlos offline. Harry At 01:46 PM 12/13/2006, you wrote: >Thanks Harry, > I sort of remember that now. Wasn't there an alternate location >(yahoo group of some sort) that allowed for doing such things. I know I've >seen posts that mention board example pictures. > Regarding the older standard, I had copied that from one of our >former layout people before all of that was outsourced. I doubt I could get >them to spring for a copy of the new standard for those of us here who are >doing prototyping. Oh well. > >Dan Enslen > >The only reason time exists is so >everything doesn't happen all at once. > >-----Original Message----- >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On >Behalf Of Harry Selfridge >Sent: Wednesday, December 13, 2006 2:18 PM >To: Protel EDA Discussion List >Subject: Re: [PEDA] 500V power supply > >Hi Dan, > >Attachments aren't allowed on posts to this forum - they get filtered >out. You would have to post a link to a file, or send it offline to >whomever you wished to receive it. > >IPC-D-275 has been superceded by IPC-2221A. Section 6.3 of >IPC-2221A, Generic Standard on Printed Board Design, has the voltage >clearance calculations for various configurations of rigid circuit boards. > >-Harry > >At 12:40 PM 12/13/2006, you wrote: > >OK, > > I guess I didn't really include the attachment. If anyone is > >interested in enlightening me on the correct procedure for sending > >attachments, I would be happy to try again. > > > >Dan Enslen > > > >The only reason time exists is so > >everything doesn't happen all at once. > > > >-----Original Message----- > >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > >Behalf Of Dan Enslen > >Sent: Wednesday, December 13, 2006 12:57 PM > >To: 'Protel EDA Discussion List' > >Subject: Re: [PEDA] 500V power supply > > > >Carlos, > > I've included an attachment here for your benefit. Yes, it is out >of > >the IPC-D-275 spec. I would agree with Mr. Jenkins on consulting with your > >engineer given the your requirement of space constraint > > > >Dan Enslen > > > >The only reason time exists is so > >everything doesn't happen all at once. > >-----Original Message----- > >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > >Behalf Of [EMAIL PROTECTED] > >Sent: Wednesday, December 13, 2006 11:01 AM > >To: [email protected] > >Subject: [PEDA] 500V power supply > > > >Hello all, > > > >I need to design a pcb for a power supply set to 500V and 1ma current > >output. I was wondering if there's anybody with experience that could give > >me an idea as to what gap between components is recommended and what > >minimum distance between tracks I should use. I am working in a very > >limited space and I need optimal area use. The supply consists of a boost > >controller and a series of diode/cap multiplier stages to bring the > >voltage to the required value. > > > >Thanks for your help, > > > >Carlos >snip > > > >____________________________________________________________ >You are subscribed to the PEDA discussion forum > >To Post messages: >mailto:[email protected] > >Unsubscribe and Other Options: >http://techservinc.com/mailman/listinfo/peda_techservinc.com > >Browse or Search Old Archives (2001-2004): >http://www.mail-archive.com/[email protected] > >Browse or Search Current Archives (2004-Current): >http://www.mail-archive.com/[email protected] > > > > >____________________________________________________________ >You are subscribed to the PEDA discussion forum > >To Post messages: >mailto:[email protected] > >Unsubscribe and Other Options: >http://techservinc.com/mailman/listinfo/peda_techservinc.com > >Browse or Search Old Archives (2001-2004): >http://www.mail-archive.com/[email protected] > >Browse or Search Current Archives (2004-Current): >http://www.mail-archive.com/[email protected] ____________________________________________________________ You are subscribed to the PEDA discussion forum To Post messages: mailto:[email protected] Unsubscribe and Other Options: http://techservinc.com/mailman/listinfo/peda_techservinc.com Browse or Search Old Archives (2001-2004): http://www.mail-archive.com/[email protected] Browse or Search Current Archives (2004-Current): http://www.mail-archive.com/[email protected]
