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Old July 3rd, 2009, 01:38 AM   #17 (permalink)
Montana_Dawg
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Join Date: Oct 2004
Location: Oregon, but from Montana
Posts: 591
SMT vs PTH

Simple, footprint is smaller, components are cheaper, quality of most SMT parts is on par with the better PTH stuff, and it does cut down on noise issues.

With smaller and shorter traces, and the fact that the components are not standing on end to conserve space (antennae anyone?), the issue of spurious noise is significantly negated, and there is more space in the box.

I am currently working on a layout that is SMT, with Molex connectors that get rid of wire to board soldering. Also, I still prefer 4-layer boards with the power and ground planes internal. Makes for a compact, neat, quiet, and very efficient device.

Summary: If you can do it, then go for it. SMT is every bit as good, if not better than, the PTH stuff. It is a challenge for novices, but a good one!
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