I feel like there is always a story behind stuff like that. Unfortunately those stories are never told in the specification.https://twitter.com/oe1cxw/status/834331920104292353 …
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Replying to @oe1cxw
often it's because 1 or N important member of the forum already implemented stuff and they don't want to break it...
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Replying to @natsfr
Yeah.. I know of an interface standard that allows for over 5 different physical connectors for exactly that reason.
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One of those conns doesn't have enough pins. So it has no signal gnd and the std says you have to connect cases with an extra wire..
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Replying to @oe1cxw
putting the signal return path on the external shield.... exactly what you need for good RF isn't it ? :D
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Replying to @natsfr
yep. Luckily this was very low speed. (A simple control interface in a relatively dumb power application.)
11:15 AM - 22 Feb 2017
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