hi I wonder what conclusion we can draw from any potential benefits of using a thick trace for a tricky trace, but thinning it down when required to get through tight spots?
cheers > -----Original Message----- > From: Harry Selfridge [mailto:[EMAIL PROTECTED]] > Sent: Thursday, 15 August 2002 9:57 AM > To: Protel EDA Forum > Subject: Re: [PEDA] Matched Lenghth Constraint > > > Not necessarily true, Igor - there are many more detailed > analyses, but > take at look at http://www.ultracad.com/90deg.pdf as an example. > > At 08:24 AM 8/15/2002 +1000, you wrote: > >I would not recommend anyone to use 90deg corners as you > will run into the > >emc problems. > > > >Igor > > > >-----Original Message----- > >From: Narinder Kumar [mailto:[EMAIL PROTECTED]] > >Sent: Wednesday, 14 August 2002 9:50 PM > >To: Protel EDA Forum > >Subject: Re: [PEDA] Matched Lenghth Constraint > > > > > >Hi Mr. Malik, > > > >1 . Connection at 90 degree means the trace will place at at > 90 degree on > >bending like > > > > _______________ > > ! > > ! > > ---------------------! > > > > 2 45 degree mean on bends trace will be 45 degree > > 3 Rounded mean on bends the trace will be rounded. > > > >And 66 MHz is not so high so you may use any one you like. > > > >Narinder > >Solectron Invotronics > > > > > > > >----- Original Message ----- > >From: "Adeel Malik" <[EMAIL PROTECTED]> > >To: "Protel EDA Forum" <[EMAIL PROTECTED]> > >Sent: Tuesday, August 13, 2002 9:36 AM > >Subject: [PEDA] Matched Lenghth Constraint > > > > > > > Hi All, > > > I want to apply a matched-length constraint to > the signals > > > connected to the bus. In the Protel Design Rule dialog, > there are mainly 2 > > > parameters to specify, one is Tolerance (whose purpose is > obvious) and the > > > other is Connection style. In connection style there are > three options 1) > >90 > > > degree 2) 45 degree and 3) Rounded. Alongwith them there > are also options > >of > > > Amplitude and Gap.I couldn't understand these options so > Can someone tell > >me > > > how these options are utilized effectively while routing > a bus running at > > > 66MHz. > > > > > > Regards, > > > ADEEL MALIK > > > > snip > > > ************************************************************** > ********** > * Tracking #: CE76B3F12130C54FB1E3B9D912EE3862ED3F00E0 > * > ************************************************************** > ********** > * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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/proteledaforum@techservinc.com * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
