Bill,
for anything even close to that, we draw or implement those in
AutoCAD or our RF simulation tools. Then we import (usually through Gerber,
possibly DXF import) into the PCB database. I haven't heard nor know of any
better manner to implement it in Protel.
For a continuous spiral I would not even have high hopes of using
these methods because I don't believe that Protel would have any means of
interpreting this structure into it's own database structure. Fortunately I
have never had to find out yet, the closest our engineers have come to
making me try this is a rectangular spiral (simple as straight lines).
Brad Velander,
Lead PCB Designer,
Norsat International Inc.,
#300 - 4401 Still Creek Dr.,
Burnaby, B.C., V5C 6G9.
Tel. (604) 292-9089 direct
Fax (604) 292-9010
website www.norsat.com
> -----Original Message-----
> From: Brooks,Bill [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, June 12, 2001 4:02 PM
> To: 'Protel EDA Forum'
> Subject: [PEDA] Spiral trace construction?
>
>
> Has anyone that works with RF and Protel ever had to make a spiral
> conductor? Is there a server or some such thing that makes
> one for you by
> defining the trace width and spacing etc... ? it should start
> at a center
> point and spiral out at a given rate with a given tracewitdh, etc...
>
> Bill Brooks
> PCB Design Engineer
> DATRON WORLD COMMUNICATIONS INC.
> 3030 Enterprise Court
> Vista, CA 92083
> Tel: (760)597-1500 Ext 3772 Fax: (760)597-1510
> mailto:[EMAIL PROTECTED]
> IPC Designers Council, San Diego Chapter
> http://www.ipc.org/SanDiego/
> http://home.fda.net/bbrooks/pca/pca.htm
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