I was swapping over my pigtails and part of the plastic coating around the coax came off.
The coax is still firmly soldered to the SMA connector - is this salvageable with some heat shrink, or do I need a new coax?
Thanks.
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asked Apr 15, 2020 at 20:14
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3$\begingroup$ I really hate that it feels like I'm beating up on your questions, I promise I'm not. I do, however, feel that these kind of questions are not drone specific. This question in particular isn't framed where we can know for sure that the answer is correct. Any answer is opinion based, and generic opinions about RF are best asked on SE.Electronics. Again, I really apologize if it feels like I'm being overwhelming, and let me know if there's anything I can do to help. $\endgroup$– Kenn SebestaApr 15, 2020 at 20:29
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$\begingroup$ @KennSebesta haha don’t worry about it. Yep, I also agree that this leans very closely to the electronics side of things so was unsure as to whether to post it or not. I figured that I’d post it anyway, mainly to get responses like yours (also, I really don’t want to have to wait for a new coax to arrive haha). It’s important to establish a posting culture in each SE, so I’m glad we’re figuring out what is and isn’t good here. $\endgroup$– Drones and WhatnotApr 15, 2020 at 20:32
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$\begingroup$ +1. BTW, you can totally save that with some heat shrink or electrical tape. Or ignore it, it's only the ground shield so considering its location it's effectively as if the connector was a little larger. So long as nothing pulls or pokes to hurt the braid, it will function for another ten years. $\endgroup$– Kenn SebestaApr 15, 2020 at 21:01
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$\begingroup$ Everyone is assuming that the antenna has no gnd plane $\endgroup$– tiago ramosApr 15, 2020 at 21:23
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2$\begingroup$ (Created a discussion in Meta. See drones.meta.stackexchange.com/questions/55/…) $\endgroup$– FlashCactusApr 16, 2020 at 6:33
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1 Answer
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The outermost plastic coating is not too critical; this primarily protects the braid from damage or exposure to elements. For the length involved in your image, you should be fine just adding heatshrink to cover that - and if you extend it over the pin you can get some strain relief too.
