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Old 2nd May 2007, 08:34 AM   #1
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Default Oscilloscope probes for sound card

Hi Folk!

Where to find oscilloscope probes for PC sound card ready to use as this one?

Probe kit for Virtins Sound Card MultiInstrument series
http://www.virtins.com/page2.html

I'm looking for the equivalent but which can be ordered from Europe country to reduce cost. The product need to have an overvoltage protection as well.

This is to be used with an M-Audio firewire solo interface box. No need for GigaMhz of bandwidth...

Stef...
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Old 9th May 2007, 06:38 PM   #2
ardo is offline ardo  Canada
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I don't know if you're interested in building your own:

http://xoscope.sourceforge.net/hardware/hardware.html

but this allows you to use standard probes. HTH.
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Old 9th May 2007, 07:00 PM   #3
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" ... This is to be used with an M-Audio firewire solo interface box. No need for GigaMhz of bandwidth... "

Of interest, the M-Audio FireWire (& USB) connected devices are very similar to data acquisition devices like oscilloscopes ... and there is plenty of software (including Pro-Tools) that can give you the analog input into the M-Audio displayed on your computer screen as wave forms, just like a 'scope ... like this (expensive) plug in for Pro-Tools = http://www.digidesign.com/index.cfm?...00&itemid=1234 ...

But, I would agree that the use of an inexpensive 'scope probe and a "genuine" oscilloscope will be more worthwhile ... I use the least expensive "standard" 'scope probe I can find with a 10X feature and hook it to my (very old) 10MegaHtz HP 'scope. I recently bought another probe that ran about US$20.00 ... I got it from the local electronics surplus outlet (http://www.halted.com/ ... http://www.halted.com/commerce/ccp14...150-hcp003.htm ). Works fine for audio and up to 10 MegaHtz.
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Old 9th May 2007, 07:18 PM   #4
Trepan is offline Trepan  Canada
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I'm also interested in this.

Would the sourceforge link's design work with Virtual Analyzer?

Thanks
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Old 9th May 2007, 09:55 PM   #5
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For an "hardware interface" to protect the "sound card", this page is fine too.

http://mrevil.pwp.blueyonder.co.uk/amp/scope/

In fact, I was looking for the probe described in my first post for convenience use. The integrated protection circuit and the CINCH connector made this small probe "ready to use". But the cost from Syngapour is so expensive.

As well, the hardware proposed by Mr Evil's realm is more powerfull and may be better. But one box more to build and add to the chain. ;-)

For Mac user, this company have very nice tools for audio : http://www.faberacoustical.com/

.
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