MOTM

I've been getting by with the simple approach of just clipping a 10x 
probe to a 1/4-inch plug without its housing.  I like the idea of 
preserving the impedance features of the probe, rather than just 
connecting directly to the scope BNC input.

Richard Brewster
http://www.pugix.com

Adam Schabtach wrote:
> Aside from all of the suggestions that have been aired for connecting 
> a 1/4"audio plug to a BNC connector, there's another solution that's 
> somewhat more flexible: buy a scope probe with a clip-on probe 
> cover, then clip it to a 1/4" plug with its shell removed. This will 
> give you hands-free operation with both the 1/4" plug and anything 
> else you need to look at with a scope.
>  
> Here's a random example of what I'm talking about:
> http://www.testpath.com/Items/Passive-Oscilloscope-Probe-15MHz-X1-110-564.htm
> (No, I've never used that particular probe. It was just the first 
> example I found.)
>  
> --Adam
>
>     ------------------------------------------------------------------------
>     *From:* motm@yahoogroups.com [mailto:motm@yahoogroups.com] *On
>     Behalf Of *jneilnyc
>     *Sent:* Wednesday, January 28, 2009 8:25 PM
>     *To:* motm@yahoogroups.com
>     *Subject:* [motm] Scope question
>
>
>     I finally sat down tonight at got my Tektronix to give me some
>     waveform views of one of my oscillators. There was more than a little
>     trial-and-error at first, but once I got in the ballpark I was able to
>     zero in on clear, static waveforms that changed shape in predictable
>     and expected ways, which was immensely satisfying (and will no doubt
>     impress my musical buddies, for whom a MOTM cabinet is already like
>     seeing something out of Close Encounters - this now adds that last mad
>     scientist touch).
>
>     And I got the onboard frequency counter working, which is a nice plus.
>
>     All this was done using a rather painful method whereby I clipped the
>     ground to one exposed terminal on the end of a phone cable and touched
>     the probe to the other. While this worked, it was not at all easy to
>     do one-handed, and clearly not a long-term methodology. What I really
>     want is to make this kind of connection permanent, ie just have some
>     sort of probe terminating in a phone plug that I can tap into any jack
>     without worrying about fiddly connections. Does such a thing exist,
>     either ready-to-use or in some combination of probes+adaptors?
>
>     What do people who know what they're doing do? (he said, and not for
>     the first time...)
>
>     Thanks!
>     JN
>
>