If you’ve seen a big air-variable capacitor, you may have noticed that some of the plates may have slots cut into them. Why? [Mr Carlson] has the answer in the video below. The short answer: you can ...

Abstract: Pulse-width modulation in cable-fed motor drive systems can generate high-frequency effects, which include terminal overvoltage (TOV) stress and common mode voltage (CMV) imbalance. This ...

External USB/Thunderbolt SSDs and/or hard drives (aka direct-attached storage, or DAS) are a super-convenient way to add storage capacity to your system as well as back it up. External drives are also ...