Recently, I acquired a broken Keithley 236 SMU, which is normally able to source voltages from -110V to +110V, and currents from -100 to +100 mA with ranges down to 1 nA.
The seller stated, that it is not possible to turn it on. He was right on this. The fuse carrier was missing, as well as the fa...
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It is possible to "upgrade" a 6632B System DC Power Supply to a 66332A Dynamic Measurement DC Source.
WARNING: By following this process, the unit will lose its calibration and has to be recalibrated!
Their hardware is identical, but the 66332A has an enhanced feature set for measuring transient...
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Until I saw this YouTube video last week, I was not aware that it is possible to open IC packages with just mechanical force and a hot-air station. As you can see from the attached pictures, this method works fairly well. Only if the package is filled with epoxy, you have to go the old way with fu...
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This is the second 6632B that I bought from eBay in condition "For parts or not working".
The inside of this unit was very clean, so the blown Tantalum-capacitor on the supply rail of the processor board immediately caught my eye. After removing the shorted capacitor, the power supply was working...
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