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Old 24th Jul 2017, 8:33 pm   #10
MrBungle
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Join Date: Jun 2016
Location: London, UK.
Posts: 3,687
Default Re: Home-brew 100:1 'scope probe.

You can knock your own active probe up with ~ 90MHz of bandwidth for a couple of quid. See Bob Pease active probe from Troubleshooting Analog Circuits:

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I built one but with a 2N3958.

Note: I blew it up about a week later. They're quite fragile!
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