Electronics > Beginners
O-scope probe to BNC adaptor (Dave uses one in #642) - where to find/buy?
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ac8vk:
In my quest to learn more electronics, I recently purchased a used Rigol DG1022 -- and promptly started watching Dave's (and w2aew's) videos on signal generators, probes, etc... (Trying to avoid dreaded "new player" problems.)

I have a question about the Oscilloscope probe to BNC adaptor Dave uses uses in EEVblog #652 around 5:48 into the video:
https://youtu.be/PPgxFd97taY?t=349

Where do you get these?

Wow that looks handy. Yes, I figured out that I could make the measurement properly using the spring adapter that cam with my Rigol PVP2150 probes - but that ties up one hand holding the probe... I have looked on ebay, amazon, Rigol and a few test supply sites - but it seems that many of the connectors are really mislabeled MCX to BNC adapters.

Can anyone help me out with a clue or two for acquiring a pair of these?

These seem like they would be quite handy - is there some reason they are not very common?

Thanks in advance,
Erik / AC8VK
Dave:
Keysight probes come with those included in the baggie. Very useful indeed.
Can't help you with an alternative source, though. :-//
Doctorandus_P:
With some of my Oscilloscope probes I don't even need those adapters.
I can just pull the front (with the pointy part and the 1:10 switch) of the probe and the remaining part is a BNC connnector (without the shroud).
magic:
Also (some? all?) Testec probes come with them.
I'm afraid no universal solution exists because probes from different vendors have different tip shapes.
Tom45:
Two that I've bought:

  Cal Test Electronics CT3655 for 3.5 mm probe

  Cal Test Electronics CT2708 for 5 mm probe

Why did I buy both? Because I wasn't paying attention and bought a bag of the 3.5 mm first. After they arrived I realized I needed the 5 mm version.

As magic said, you have to be careful to get a size that matches your probes.
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