> 'William Chops" Westfield ' <westfw@mac.com wrote:
> > If you can make
> > it work by adding extra layers with power planes, that ends up being
> > cheaper (at moderate quantities) than figuring out how to get it
> > working without the "extra" layers.
>=20
> What I do a lot with 2 layer boards is to try to keep the bottom layer as=
 a
> ground plane.  Most of the connections are on the top layer, and the bott=
om
> layer is used sparingly for short "jumpers".
>=20

Yes, this is exactly what I do and it works very well. Often it is surprisi=
ng=20
how few "jumpers" that are needed. With a surface mounted board the bottom=
=20
ground plane layer can get very good coverage.

/Ruben
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D
Ruben J=F6nsson
AB Liros Electronic
Box 9124, 200 39 Malm=F6, Sweden
TEL INT +46 40142078
FAX INT +46 40947388
ruben@pp.sbbs.se
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D

--=20
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