[Test-Equipment] Who makes this SMA Thumb Wheel?
Nigel Clarke via Test-Equipment
test-equipment at mailman.qth.net
Wed Jan 7 06:34:25 EST 2015
Hi Brooke,
Very good point about the rotating inner, I hadn't considered that,
although it would also apply to quite a lot of SMA terminations.
Another option I've come across that I wasn't previously aware of is the
HT-2-SMA long reach spanner from Mini-Circuits, a search will find it.
Regards
Nigel
GM8PZR
In a message dated 07/01/2015 01:08:03 GMT Standard Time,
brooke at pacific.net writes:
Hi Nigel:
Something like that except with the thumb wheel away from the SMAm end
would work.
An adapter from SMAm to something else. But SMA connectors have a very
small design life measured in matings.
When I was working with satellite microwave hardware we used SMAm-SMAf
adapters called "connector savers" and had a log
book of every mating of both the device being tested and the connector
saver.
So an adapter with a solid body, like the one on the eBay, would tend to
wear out the SMA connector in the DAGR GPS
receiver.
It's far better the way the cable now works were the cable remains
stationary and the SMA nut is tightened without
rotating the center contact.
Mail_Attachment --
Have Fun,
Brooke Clarke, N6GCE
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
http://www.prc68.com/I/DietNutrition.html
Nigel Clarke via Test-Equipment wrote:
> Hi Brooke,
>
> I can't help re the thumb wheel but, depending on the diameter and depth
of
> the access hole, would something like this be usable?......
>
>
http://www.ebay.com/itm/2-Gold-SMA-male-plug-to-BNC-female-jack-Radio-Adapte
> r-/160517642223
>
> I've got some that are very similar and the bonus is that body, including
> the SMA collar, is solid.
> They wouldn't be my first choice over a "normal" SMA for most purposes
but
> they can be quite useful at times.
> It's possible that you might find something similar with an SMA female
> outlet rather than BNC but I don't recall having seen those.
>
> Regards
>
> Nigel
> GM8PZR
>
>
> In a message dated 06/01/2015 16:28:30 GMT Standard Time,
> brooke at pacific.net writes:
>
> Hi:
>
> The DAGR GPS receiver has the SMA antenna jack (J3) in a hole and so
needs
> a special SMA thumb wheel that reaches into
> the hole.
> I'm trying to find out who makes that plastic SMA thumb wheel. An
example
> is on the DAGR to RA-1 antenna cable:
>
> http://www.prc68.com/I/Images/DAGR-to-RA-1-Cable3b.jpg
>
> http://www.prc68.com/I/DAGR.shtml#DAGR_RA-1
> <http://www.prc68.com/I/Images/DAGR-to-RA-1-Cable3b.jpg>
> SMA DAGR Spinner
> p/n: 13499-988-9389-001, NSN: 5935-01-534-6963
> The NSN goes to Rockwell Collins, but I doubt they actually make it.
>
> Mail_Attachment --
> Have Fun,
>
> Brooke Clarke
> http://www.PRC68.com
> http://www.end2partygovernment.com/2012Issues.html
> http://www.prc68.com/I/DietNutrition.html
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