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by Roey
Fri Sep 16, 2011 3:06 pm
Forum: Other projects
Topic: "Soundmodem" relays for amateur internet backbone
Replies: 33
Views: 11081

Re: "Soundmodem" relays for amateur internet backbone

<t>cathalgarv-eyb I hope you're not discouraged by some of the posts here, and that you do in fact explore a SoundModem broadcast setup...<br/> <br/> While there are challenges like the limitation mentioned that most transceivers are half-duplex so you'd need to have transceivers that support full-d...
by Roey
Thu Sep 15, 2011 8:50 am
Forum: General discussion
Topic: Cast or Epoxy Potted Packaging
Replies: 9
Views: 5004

Re: Cast or Epoxy Potted Packaging

<t>Thank you liz for taking the time to explore this with your team. I would however add that while using run-of-the-mill COTS resin product applied by an Amateur might yield the results your Engineers are concerned about, that there are products/services that actually improve the thermal/mechanical...
by Roey
Wed Sep 14, 2011 7:37 pm
Forum: General discussion
Topic: Cast or Epoxy Potted Packaging
Replies: 9
Views: 5004

Re: Cast or Epoxy Potted Packaging

<r>While extreme ruggedness is a nice benefit of epoxy resin potting/casting/encapsulation -- it wasn't my biggest reason for vetting the suggestion. Having worked with a considerable number of very small SBCs, one of the problems that I have frequently encountered is that the large number of connec...
by Roey
Wed Sep 14, 2011 9:52 am
Forum: General discussion
Topic: Cast or Epoxy Potted Packaging
Replies: 9
Views: 5004

Re: Cast or Epoxy Potted Packaging

<r>Depending on the resin compound used the thermal conductive properties can be excellent; CPUs are themselves set in epoxy and high temperature applications like transformers and embedded systems are some of the most common applications of the process today, like this transformer:<br/> <br/> <br/>...
by Roey
Wed Sep 14, 2011 8:15 am
Forum: General discussion
Topic: Cast or Epoxy Potted Packaging
Replies: 9
Views: 5004

Re: Cast or Epoxy Potted Packaging

<r>As it sounds like the shipping version will be quite small, has epoxy casting or potting either as a mass production option, or as a mass produced kit been considered? Just a few advantages include:<br/> <br/> · makes board/connector interface much more rugged<br/> · retains widest range of mount...

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