gEDA-user: Antwort: Re: PCB Ground Plane - Autowiring?

[Marcel.Schmedes.EXTERN@xxxxxxxxxxxxxxxxxx]

Thank you for the hints and the fast reply.

geda-user-bounces@xxxxxxxxxxxxxx schrieb am 03.02.2009 07:10:29:

> 
> > 1. Is there an comfortable way of telling pcb to connect all vcc and
> > gnd nets to the correct plane? To put and connect every pad by
> > hand-putting a via and connecting it with a thermal to the plane
> > doesn't seem very comfortable to me... BTW the design is using
> > SMD-only components.
> 
> You'd expect the autorouter to do this, but it doesn't.  Sorry, it's
> manual.

Alright, I'll do it manually.
 
> > 2.I'm using a PowerPAD (TM) Device, which has a pad to connect
> > thermal and electrical to the ground plane. How to connect best to
> > the plane?  (Also thermal - so not using "thermal".)
> 
> Use a via, and shift-click the thermal tool, for each connected layer,
> until it's "solid" instead of thermalled.

Alright - that what I wanted.
 
> > 3. I need to connect the output from my onboard switching power supply 
to 
> > the corresponding planes (5.1V/2.2A). Do you have any recommendations 
how 
> > to connect a high current trace to a plane?
> 
> Multiple solid-connected vias.  The "width" of the trace will be the
> circumference of the via's hole.
> 

Ok - I just think about if there is a Guideline to calculate the 
resistance of a "x" size via?
 
> _______________________________________________
> geda-user mailing list
> geda-user@xxxxxxxxxxxxxx
> http://www.seul.org/cgi-bin/mailman/listinfo/geda-user


.
Der Inhalt dieser E-Mail ist für den Absender rechtlich nicht verbindlich.
Informieren Sie uns bitte, wenn Sie diese E-Mail fälschlicherweise erhalten haben (Fax: +49-7551-891-4001). Bitte löschen Sie in diesem Fall die Nachricht. Jede Form der weiteren Benutzung ist untersagt.
.
The content of this e-mail is not legally binding upon the sender.
If this e-mail was transmitted to you by error, then please inform us accordingly (Fax: +49-7551-891-4001). In such case you are requested to erase the message. Any use of such e-mail message is strictly prohibited.


_______________________________________________
geda-user mailing list
geda-user@xxxxxxxxxxxxxx
http://www.seul.org/cgi-bin/mailman/listinfo/geda-user