Re: gEDA-user: PCB footprint - 2 sided part

[John Griessen <john_g@xxxxxxxxxx>]

John Luciani wrote:
> On 12/27/06, Ostheller, Joel A. <JOEL.A.OSTHELLER@xxxxxxxx> wrote:
> > Can I get some tips on how I would create a footprint for this SMA right
> > angle connector that lives on both sides of the board? Should I create it
> > with through holes? Should I create two footprints 

If you meant one connector on each side of a two sided board, the different pin 
number arrangement of holes comes from changing the "current layer" before 
placing the footprint, so it is flipped 180 degrees or not relative to some 
other part on the component side, for instance.  You only need one footprint.
Most of them seem to be a 0.10 inch grid of five .065 inch holes.

I just bought some that have the center conductor as a surface mount contact 
instead of a through hole though.  I wish I had a TDR setup so I could "see" the 
difference in signal impedance continuity between it and the usual ones...

John Griessen


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