Products > Test Equipment
Link Instruments DF-600 Active Differential Probe
slugrustle:
I'm looking around for a high speed, low voltage active differential scope probe that can plug into a generic oscilloscope. The Link Instruments DF-600 looks good to me in terms of price ($299) vs. performance (600MHz differential, 400MHz single ended), but there is no manual on the product page, and I'm not sure how robust the input connections are.
Has anyone here used a DF-600 probe? How well does it work?
https://www.linkinstruments.com/df600.html
JehTeh:
I have a couple - they seem to be OK, although I was seeing little bit of ringing on some faster edges compared to some 1.5G passive probes (900ps, spec for rise time is 300ps) but it could have just been a sloppy measurement setup on my end. I have not tried them on anything higher-voltage than ~5v.
KungFuJosh:
This might be an option for you: https://www.eevblog.com/forum/testgear/12-ghz-active-probe-project/
slugrustle:
--- Quote from: JehTeh on July 28, 2023, 02:07:19 pm ---I have a couple - they seem to be OK, although I was seeing little bit of ringing on some faster edges compared to some 1.5G passive probes (900ps, spec for rise time is 300ps) but it could have just been a sloppy measurement setup on my end. I have not tried them on anything higher-voltage than ~5v.
--- End quote ---
Very neat. What does the input side of the probe look like? Especially the connection points for the little attachments that come with the probe. It's not at all clear from the website photos... all I see is one wire sticking out. Maybe that's the ground pin?
slugrustle:
Hey, what do you know, K and H Products has a page about this probe with a PDF that makes its operation more clear: https://www.kandh.com.tw/df-600-differential-active-probe-df-600.html.
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