While we're complaining, you can't measure the "voltage" of an electron tube out... | Hacker News

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		whatshisface on Nov 25, 2022 \| parent \| context \| favorite \| on: “You don't have a voltmeter. Do you have a potato?... While we're complaining, you can't measure the "voltage" of an electron tube out of circuit.

ilyt on Nov 25, 2022 [–]

Sure you can, just buy a SMU (source measurement unit, few multimeters cobbled together with 4 quadrant power supply)

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