Hi Vasile, Thanks for answer and for your proposal In the next step I will try to separate the AGND from DGND (only a thin connection between the masses) and make the VIN track more bigger.
2010/5/20 vasile surducan <[email protected]> > > > On Wed, May 19, 2010 at 12:02 PM, Florin Tanasa > <[email protected]>wrote: > >> >> Hi all, >> I made some changes to the shield and with great difficulty I made the PCB >> design. Tracks have 0,25 mm thick. >> Attach some pictures of kicad. >> In the image snapshot8 because I do not have header with long pin I was >> thinking to put strip pin on the copper side. >> >> > Hi Florin, > I'm glad to see you have understood some of my points and even applied > them. > I can only guess your design is one layer, maybe I'm wrong. Use the largest > pad diameters, maybe oblong in all places where is possible. Please try to > analyze the ground plane separation or ground planes islands connections in > terms of ground impedance. > If a route between two ground islands is very thin, you should use either > the second ground plane layer or additional straps on component side. Use a > generous number of straps for such operation if necessary, will save you > from big problems. > If ground planes could be OK, power supply route thickness could be to > small (it is denitely too small for the power section of your design). Power > supply and ground routes must be treated as analog paths even for digital > designs. > > However, living in the village (and design for hobby) you should be proud > about this design, I've seen many other pour designs made by people with > full access to the highest technology. > > Free offer for you for manufacturing one PCB in CNC technology if you'll be > able to create the correct gerber and excellon files, meaning the minimum > number of drills (accepted less than 10) and 10 mil isolation between > copper and routes. The same offer still available for Vasi. > > Instead of Olimex use romanian PCB houses, the price is almost identical, > the quality is better (and this is a fact not a story). > > Vasile > > > -- > You received this message because you are subscribed to the Google Groups > "jallib" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<jallib%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/jallib?hl=en. > -- You received this message because you are subscribed to the Google Groups "jallib" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/jallib?hl=en.
