Re: gEDA-user: stupid newbie question
Giorgenes Gelatti wrote: Could it be a printing problem? Paper changes sizes too. If you're confronted with a humid weather the paper may go into your laser bigger than it comes out. The length and width may change size differently as I believe there is some orientation to the fibers in most paper as a result of mfg. process. I've gone back to printouts from delayed work to discover 2% change in size. Time, humidity temperature and storage seem to affect paper in mysterious ways. An architect friend told me that they only trust they're scaled paper plots to 5% -- astonishing. Phil ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
gEDA-user: stupid newbie question
Hi there, This may be stupid, but, here it goes. If I have a footprint of, for example, DIP40, is it a standard footprint? I mean, is there different sizes of DIP40, or DIP40 is always the same? The reason I'm asking this is becouse I did a pcb with a DIP40 on it, and when I printed the pins distance seemed to be a bit smaller than it should be. Thank you. ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
Re: gEDA-user: stupid newbie question
On 11/26/06, Giorgenes Gelatti [EMAIL PROTECTED] wrote: Hi there, This may be stupid, but, here it goes. If I have a footprint of, for example, DIP40, is it a standard footprint? I mean, is there different sizes of DIP40, or DIP40 is always the same? There are different pin spans for DIPs with the same pin count. I have seen DIPs with pin spans of 300, 400 and 600mils. Typically the higher pin counts have pin spans at 400 and 600mil. Look for the DIP footprints names that contain a pin-count and a pin-span value in the name (such as DIP40-600 or DIP40-300). The reason I'm asking this is becouse I did a pcb with a DIP40 on it, and when I printed the pins distance seemed to be a bit smaller than it should be. How much smaller? 5mils, 10mils, 50mils, 100mils? If it is 5 or 10mils it is probably a mistake in the footprint. If it is 50mils or 100mils you probably have the wrong footprint. (* jcl *) -- http://www.luciani.org ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
