No the first attempt was a cut and paste that didn't bring the url with it though an html filter would have removed it. The second and third attempts I was responding only too myself. Good thing too as I was getting frustrated with how my email tool automatically breaks lines into pieces. And the urls are convoluted.
Steve Meier On Thu, 2008-10-30 at 19:14 -0700, Steven Michalske wrote: > Were you trying to format them with HTML? > > I bet the HTML filters on the mailing list were cutting out the links. > > On Oct 30, 2008, at 2:44 PM, Eric Winsor wrote: > > > Steve, > > > > I don't see these other attempts. > > > > Eric Winsor > > > > Steve Meier wrote: > >> Dave, > >> > >> No I struggled three times to get usable url's so go down a couple > >> more > >> of my attempts and then you will have to take the line breaks out > >> of the > >> ultra long url but you can get there. > >> > >> Steve Meier > >> > >> > >> On Thu, 2008-10-30 at 16:29 -0400, Dave McGuire wrote: > >> > >>> I don't see any URLs in there.. > >>> > >>> -Dave > >>> > >>> On Oct 29, 2008, at 6:08 PM, Steve Meier wrote: > >>> > >>>> I went looking to see if the Analog Device book was available > >>>> electronically. Here are the links. > >>>> > >>>> > >>>> Steve Meier > >>>> > >>>> > >>>> High Speed System Applications Table of Contents > >>>> > >>>> > >>>> > >>>> High Speed System Applications Section 1: High Speed Data > >>>> Conversion > >>>> Overview > >>>> > >>>> > >>>> > >>>> High Speed System Applications Section 2: Optimizing Data Converter > >>>> Interfaces > >>>> > >>>> > >>>> > >>>> High Speed System Applications Section 3: DAC, DDS, PLL's, and > >>>> Clock > >>>> Distribution > >>>> > >>>> > >>>> > >>>> > >>>> High Speed System Applications Section 4: PC Board Layout and > >>>> Design > >>>> Tools > >>>> > >>>> > >>>> > >>>> On Tue, 2008-10-28 at 13:44 -0700, Steve Meier wrote: > >>>> > >>>>> I won't argue this point. I will refer every one to an Analog > >>>>> Device > >>>>> publication "High Speed System Applications" copyright 2006 > >>>>> ISBN-10: > >>>>> 1-56619-909-3 or ISBN-13: 978-1-56619-909-4 > >>>>> > >>>>> In particular if you get a copy of this book (and they gave me > >>>>> mine) > >>>>> look at pages 4.15 and 4.16 > >>>>> > >>>>> There AD recommends connecting both of the A/D grounds "digital" > >>>>> and > >>>>> "analog" to the analog ground plane "this is because it causes > >>>>> less > >>>>> problems for the relatively small amount of digital return current > >>>>> to be > >>>>> returned through the analog ground than it would to connect the > >>>>> converter to the much noisy digital ground. > >>>>> > >>>>> There is a lot more talked about then just that one blurb. > >>>>> > >>>>> Steve Meier > >>>>> > >>>>> > >>>>> > >>>>> On Tue, 2008-10-28 at 11:22 -0700, Joerg wrote: > >>>>> > >>>>>> Stefan Salewski wrote: > >>>>>> > >>>>>>> Sometimes it is necessary/recommended to partition (separate) > >>>>>>> power or > >>>>>>> ground planes, i.e. for ADC or DC/DC-Converters, see page 16 and > >>>>>>> 17 in > >>>>>>> > >>>>>>> http://focus.ti.com/lit/ug/slwu028c/slwu028c.pdf > >>>>>>> > >>>>>>> We can do this in pcb program with (adjoining) polygons. > >>>>>>> Disadvantage is, that if we change the size of one of the > >>>>>>> polygons we > >>>>>>> have to manually adjust the other sizes. A other method may be > >>>>>>> so divide > >>>>>>> a large polygon by copper clearing traces (with trace width > >>>>>>> zero). > >>>>>>> > >>>>>>> This is related to my question from > >>>>>>> > >>>>>>> http://archives.seul.org/geda/user/Sep-2008/msg00387.html > >>>>>>> > >>>>>>> but not identical. > >>>>>>> > >>>>>>> What is the best way to handle this? > >>>>>>> > >>>>>>> > >>>>>> I can't speak to that but just one word of caution: In my 20+ > >>>>>> years in > >>>>>> engineering I have yet to see one case where splitting a ground > >>>>>> plane > >>>>>> under high-speed ADCs has worked. Regardless of what application > >>>>>> notes > >>>>>> say. Usually it didn't work, lots of noise. Or it kind of > >>>>>> worked but > >>>>>> fell apart the instant somebody whipped out a GSM cell phone or > >>>>>> BlackBerry. > >>>>>> > >>>>>> Myself, I never spilt a ground place. OTOH the industry > >>>>>> practice of > >>>>>> splitting planes is providing part of my income :-) > >>>>>> > >>>>>> The only time I split is where required for safety, for example > >>>>>> patient > >>>>>> isolation per 60601 (ECG, ultrasound etc.). > >>>>>> > >>>>>> > >>>>> > >>>>> _______________________________________________ > >>>>> geda-user mailing list > >>>>> geda-user@moria.seul.org > >>>>> http://www.seul.org/cgi-bin/mailman/listinfo/geda-user > >>>>> > >>>> > >>>> _______________________________________________ > >>>> geda-user mailing list > >>>> geda-user@moria.seul.org > >>>> http://www.seul.org/cgi-bin/mailman/listinfo/geda-user > >>>> > >>> > >> > >> > >> > >> _______________________________________________ > >> geda-user mailing list > >> geda-user@moria.seul.org > >> http://www.seul.org/cgi-bin/mailman/listinfo/geda-user > >> > > > > > > > > > > _______________________________________________ > > geda-user mailing list > > geda-user@moria.seul.org > > http://www.seul.org/cgi-bin/mailman/listinfo/geda-user > > > > _______________________________________________ > geda-user mailing list > geda-user@moria.seul.org > http://www.seul.org/cgi-bin/mailman/listinfo/geda-user _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user