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From: John R Walliker <jrwalliker@gmail.com>
Newsgroups: sci.electronics.design
Subject: Re: RF Connector Type ID
Date: Sat, 8 Jun 2024 22:54:07 +0100
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On 08/06/2024 22:47, John R Walliker wrote:
> On 08/06/2024 20:43, john larkin wrote:
>> On Sat, 8 Jun 2024 18:10:59 -0000 (UTC), Cursitor Doom
>> <cd999666@notformail.com> wrote:
>>
>>> Gentlemen,
>>>
>>> Can anyone identify these connectors? HP use 'em an awful lot for
>>> interconnecting the boards of their analyzers to route 50 ohm RF signals
>>> around the various inside sections.
>>>
>>> Thanks,
>>>
>>> CD.
>>>
>>> https://disk.yandex.com/i/LQ1ytGUQCf7OTw
>>
>> Probably SMBs.
> 
> +1
> 
> John
> 
Most of the connectors in the image look like SMB which is a "click on"
push fit connector and is cylindrical at the end.  A few which have a 
hex profile at the end may be SMC which is a threaded connector.
SMA is threaded and a bit larger, but has the best high frequency 
performance of them all.

John