Get the demo protel 98 or up, use my spiral coil, or, continuous S shaped inductor generator, then output Gerber & import Gerber into the old protel. Maybe an ASCII pcb save & load may also work since only tracks are generated.
http://www.proteluser.com/download/Pcb_99SE_add-on/BriansStuff/ Read -> Brians_public.txt <- for the list of programs & libs, & download -> Brians_public.zip <- to get everything. _____________ Brian Guralnick ----- Original Message ----- From: "matt" <[EMAIL PROTECTED]> To: "Protel EDA Forum" <[EMAIL PROTECTED]> Sent: Sunday, March 28, 2004 4:18 PM Subject: Re: [PEDA] Antenna coil > you may try to design a spiral inductor instead . Download the free > software called Appcad (from Agilent) , it has spiral inductors design. Play > some what if scenarios with it and you'll see if you can do it one way or > another, with and without vias . > > Best Regards, > Matt Tudor , MSEE > > ----- Original Message ----- > From: "John C. Echols" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Sunday, March 28, 2004 3:32 PM > Subject: [PEDA] Antenna coil > > > > I'm the guy still using Protel 1.61 (1992) with Windows 3.11 and I'm on > > a phone line....now that you're through laughing my question is - my > > present project requires a coil for an antenna for a "prox" card > > reader. The coil is about 3.25 X 4.25", 700uHy and takes 60 turns of > > mag wire. Can I do this with traces? The easiest would be 30 turns on > > one side and one via to do 30 on the back. I'd probably go .004/.004" > > so it's not too hard for the board house and would only take .24 width > > of board space. Will this work or is the spacing too big? Or do I need > > to do one turn on top, the next on bottom, next on top, etc? All the > > vias would take up too much room. > > > > Thanks for the help. > > > > John Echols > > > > > > > > * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * To post a message: mailto:[EMAIL PROTECTED] * * To leave this list visit: * http://www.techservinc.com/protelusers/leave.html * * Contact the list manager: * mailto:[EMAIL PROTECTED] * * Forum Guidelines Rules: * http://www.techservinc.com/protelusers/forumrules.html * * Browse or Search previous postings: * http://www.mail-archive.com/[EMAIL PROTECTED] * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
