Re: gEDA-user: newbie question: PCB: crossing soldering lines

[Dave McGuire <mcguire@xxxxxxxxxxxxx>]

On Sep 21, 2006, at 10:32 AM, Giorgenes Gelatti wrote:
> I'm new to electronics, geda and this list.
> I've read some tutorial in the net but end up with this question:
> I've done a simple schematic in geda and exported it to PCB via 
> gsch2pcb.
> After drawing the soldering lines by hand in pcb I got to a situation
> where there
> was no path to connect the other components without crossing another 
> line.
> And I couldn't find a way to make a "jump" over the other lines.
>
> Is there a way to do that in PCB? Or should I put some "jumper"
> component in schematic?

  Hi Giorgenes...The common way to do this is to use a trace on the 
other side of the board, with two vias to connect it.

  If you're designing a single-sided board, the electronics world has 
come up with the bizarre concept of the "zero-ohm resistor" to take 
care of this...it's quick & easy to place a resistor spanning the line 
that must be crossed, then solder a jumper wire across it.  Some 
manufacturers even make actual "zero-ohm resistors" (which of course 
aren't *exactly* zero ohms!) which look like real resistors...the ones 
I've seen have a single black band around them.  There are 
surface-mount versions of these as well.

  Good luck in your new design!

            -Dave

--
Dave McGuire
Cape Coral, FL



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