Power supplies use control-loop circuits to produce constant voltage or current. The transfer function—gain and phase as a function of frequency—provides valuable information about a control loop’s ...

The USB-C standard has been long touted as a “one port to rule ‘em all” solution. Sure, it’s universal in the sense of the shape of the port. But the capabilities of a USB-C port and cable can vary ...

I'm trying to figure out a way to deal with a ground loop problem I have at home, this is 60hz mains hum that comes out of speakers, even when nothing is connected to the device besides power cable. I ...