Bob writes: Back when I was deverloping the PSU burner, I wanted to have the Analog Discovery isolated from the common ground, to avoid noise and other issues. Since I did not have a way to do this, I ended up using a laptop on battery for measurements. But for long term, I needed […]
Tag Archives: isolator
Mains 230VAC isolator
Jaanus Kalde has built an isolator box: Probing mains powered schematics is hard. Most oscilloscopes are earth referenced, so connecting ground probe to random spot of mains connected device will make a small explosion. Also there is the risk of electric shock by touching wrong part of the schematic while being in contact with something grounded like […]
NoLoop galvanic isolator
Bertho shared his NoLoop galvanic isolator in the project log forum: I had a problem some time ago with a nasty ground-loop and that cost me the USB port on my old laptop. It took me a while to realize what had happened and it was a generic problem we all run into more often than […]