[Test-Equipment] Who makes this SMA Thumb Wheel?

Brooke Clarke brooke at pacific.net
Tue Jan 6 20:07:36 EST 2015


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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