>From your list, I have seen that the "do rules" on Electra at least *SAY* they provide for #3 and #4... how well they actually work, I havn't tried yet.
----- Original Message ----- From: <[EMAIL PROTECTED]> To: "Protel EDA Forum" <[EMAIL PROTECTED]> Sent: Friday, May 21, 2004 10:05 AM Subject: Re: [PEDA] Router comparison > Mike, > > Would you happen to knwo any of the following? > > Between Situs, Electra, and Spectra, which honor: > 1) internal board cutouts? > 2) limited neckdown between pads and/or vias? > 3) width and clearance attributes by net? > 4) width and clearance attributes by net class? > 5) teardrops or snowmen? > 6) 0/60/120 degree instead of 0/90 degree routing bias? > 7) via style attributes by net or net class? > 8) length matching? > 9) parallel pairs or triples? > 10) rounded corners? > > Jeff Condit > > > Tony > > > > That is what keepouts are for....The router will obey them. I use via > > keepouts, I also train and channel routing with keepouts. it takes a few > > tricks, > > > > Mike > > > > > > > > -----Original Message----- > > From: Tony Karavidas [mailto:[EMAIL PROTECTED] > > Sent: Friday, May 21, 2004 1:25 PM > > To: 'Protel EDA Forum' > > Subject: Re: [PEDA] Router comparison > > > > > > Just because you WW in neat bundles doesn't mean you have to ignore signal > > groups. > > > > Anyway, I'm not wire wrapping boards. I'm making PCBs and I almost always > > have mixed analog/digital on the same board. I prefer to keep the digital > > grunge out of my analog area. Sure, the auto router might like to find a > > path for a data pin right next to an op-amp input, but *I* don't want it > > there. I want to keep the data bus in a tight area, I'm not worried about > > crosstalk from data pin to data pin because the lines are settled by the > > time a chip select comes along. > > > > Tony > > > > > > > > -----Original Message----- > > From: Mike Reagan [mailto:[EMAIL PROTECTED] > > Sent: Friday, May 21, 2004 7:52 AM > > To: 'Protel EDA Forum' > > Subject: Re: [PEDA] Router comparison > > > > > > > > > > > > I remember years ago an engineer getting mad at me because I wire-wrapped > > his circuit trying to make it look nice and neat with all the wires bundled > > together in "streets & avenues". He said it was a big cross talk problem. He > > wanted point-to-point with just a little slack in the wire length. > > > > Looks like some things never change. > > > > Tom > > Absolutely, I learned this from my WW days also. If you wanted the WW > > card to work with the least amount of noise, you never ran neat bundles > > > > Mike > > > > > > > > > > > > > > > > > > > > > --------------------------------------------- > This message was sent using Sunset Net Webmail. > http://www.sunset.net/ > > > --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.688 / Virus Database: 449 - Release Date: 5/18/2004 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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] * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
