This might be the ticket:
http://www.testpath.com/Items/BNC-Female-to-14-in-Audio-Phone-Plug-Adapter-112-130.htm --- In motm@yahoogroups.com, JAMES GALLANT <middlearthling@...> wrote:
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> The way I did it way too many moons ago was to get a BNC to RCA
adaptor and then use a cable with an RCA connector on one end and a
1/4" connector on the other. Another option is BNC-RCA adaptor -->
RCA-RCA cable --> RCA-1/4" adaptor.
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> James
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> To: motm@...: jneil@...: Thu, 29 Jan 2009 05:50:04 +0000Subject:
[motm] Re: Scope question
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> I was hoping it was as simple as this! But seeing all the
funkylooking probes out there with all the odd connectors and
built-inelectronics I just assumed that I was being naive thinking I
couldjust make a cable.The Tektronics probes that came with my scope
have BNC connectors withadditional contact pins coming out of them - I
take it these aren'tnecessary in a homebrew cable?--- In
motm@yahoogroups.com, David Abbey <abbeysynth@> wrote:>> Beg, borrow,
make or buy yourself a coaxial cable with a BNCconnector on at least
one end. Solder a 1/4" phone plug to the otherend (tip to center
conductor and sleeve to the braid, but be carefulnot to over heat the
braid and melt the dielectric). You can breakout a signal with a
multiple by routing your signal into one jack,taking it out of another
in that multiple and plugging your 'scopecable into a third. I made 2
for my 'scope (A and B channels). Ialso made one with bananna plugs on
one end to use with my DMM.> > > > > ________________________________>
From: jneilnyc <jneil@>> To: motm@yahoogroups.com> Sent: Wednesday,
January 28, 2009 8:24:37 PM> 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>
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