Re: Low cost coax connectors

On Fri, 26 Oct 2007 21:24:44 GMT, Rich Grise <rich@xxxxxxxxxxx> wrote:

How about those coaxial, "power" types, like this?
(mind the wrap)
http://www.radioshack.com/product/index.jsp?parentPage=search&pg=3&summary=summary&cp=&productId=2103612&accessories=accessories&kw=plugs&techSpecs=techSpecs&currentTab=techSpecs&custRatings=custRatings&sr=1&features=features&origkw=plugs&support=support&tab=summary
You might have to modify the plug and socket a bit, and impedance might be
interesting...

That will probably work fine until someone plugs a live AC wall wart
into the plug and vaporizes your radio. I think they call that an
"attractive nuisance" or "warranty magnet".

About 25 years ago, my employer embarked on yet another bean counting
cost reduction adventure. Someone decided that all the coax cables
connectors going between boards was too expensive. So, I contrived a
stamped, board mounted, receptacle. That by itself wasn't very
interesting as those were already being sold by AMP. I eliminated the
coax plug by simply tinning the coax cable braid and the center wire.
We were using RG188a/u, which is the PTFE dielectric version of
RG174a/u. Cut the end off squarely and remove the outer jacket. Tin
the outer braid being carful not to let the braid bluge. Then run it
through a rotary blade stripper to trim the tinned braid to length,
expose some dielectric, and strip the center conductor. Tin the
center conductor, trim, and you have the world's cheapest coax plug.

--
# Jeff Liebermann 150 Felker St #D Santa Cruz CA 95060
# 831-336-2558 jeffl@xxxxxxxxxxxxxxxxxxxxxx
# http://802.11junk.com jeffl@xxxxxxxxxx
# http://www.LearnByDestroying.com AE6KS
.

Relevant Pages

  • Re: Low cost coax connectors
    ... You might have to modify the plug and socket a bit, ... Someone decided that all the coax cables ... coax plug by simply tinning the coax cable braid and the center wire. ... center conductor, trim, and you have the world's cheapest coax plug. ...
    (sci.electronics.design)
  • Re: Strange problem with wall-mounted TV
    ... Try another flylead or snip the plug off and put another on. ... Alternatively it may be the wall socket suffering a similar problem. ... In the picture "Co-Ax plug before assembly showing slight kink on centre core to maximise contact", I don't think much of the way the braid seems simply to be bunched up between the rear-end 'nut' and the 'claw'. ...
    (uk.tech.digital-tv)
  • Re: Belling Lee UHF plugs
    ... How is the braid supposed to attach to the claw thingy? ... Take the plug apart and fit the screw 'cap' over the end of the coax ...
    (uk.tech.digital-tv)
  • Re: Strange problem with wall-mounted TV
    ... Try another flylead or snip the plug off and put another on. ... Alternatively it may be the wall socket suffering a similar problem. ... In the picture "Co-Ax plug before assembly showing slight kink on centre core to maximise contact", I don't think much of the way the braid seems simply to be bunched up between the rear-end 'nut' and the 'claw'. ...
    (uk.tech.digital-tv)
  • Re: Strange problem with wall-mounted TV
    ... Try another flylead or snip the plug off and put another on. ... core to maximise contact", I don't think much of the way ... the braid seems simply to be bunched up between the rear-end 'nut' and the ... 'claw'. ...
    (uk.tech.digital-tv)
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