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Identify S something mini microwave connectors
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wd5jfr:
I've have several of these female jumper cables that  I would like to use to set up a test board but I can't find what they're called and where to buy at a reasonable price male plugs with circuit board mounts and if there is such an item solderable cable ends.  The upper middle one doesn't have an outer shield and I have only one of those.  Thanks in advance
Thanks
Hank

TimFox:
That looks like series "SMB".
These are often found connecting modules within RF test equipment.
The right-angle connectors in the photo are actually easier to wire than are the straight cable connectors.
The unshrouded one looks like someone excised the outer shroud from a normal SMB connector.
wd5jfr:
Hey Tim
I took out my mag glass and it looks like the outer shield on the middle SMB connector was removed or fell off.  I could see knurled ridge which was for a press fit of the outer collar.  This yellow coax is braided silver double shield  and the center conductor is a solid wire about 0.012" in diameter and outer diameter is about 0.102" using my drill gauge.  I hope this cable and SMBs aren't  75 ohm.  I tried to  get L and C readings on a 30" piece but it's difficult to get a good connection without a male connector.  Will have to sort thru my junk boxes or luck out at next hamfest.  I've included a pic of a piece stripped back anti may be beyond my 82 year old  to make  good connections, but I'll try.  Can anyone ID the coax?
Hank
coromonadalix:
smb series connectors

https://www.rosenberger.com/products/connectors-adaptors/rf-connectors/
wd5jfr:
Thanks for Rosenbeger URL.  Good info but I'll have wait to find some on the used market.
Hank
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