RF signals historically are measured using spectrum analyzers, at least that was before oscilloscopes offered sufficient bandwidth for those measurements. With oscilloscope bandwidths over 100 GHz, RF ...

Calculations and tables often are used to determine whether a broadcast site is compliant with the RF radiation exposure regulations of the Federal Communications Commission. There are situations, ...

Top New York City dermatologists, Hollywood stars and beauty editors are raving about Everesse—a non-invasive RF innovation from Korea that’s becoming the go-to treatment for lifting and toning. Dr.

Is plain old FR-4 (also known as “Glass Epoxy”) PCB material suitable for use in RF designs[1]? This question comes up time and again. Many say no, fewer say yes – who's right? As I have published ...

The Shoei RF-1200 raises the bar for build quality with fit and finish being outstanding and I simply cannot find a flaw. The ventilation isn't quite as good as I'd hoped and the noise levels are ...

Take the RF-1000, one of the most popular motorcycle helmets ever, and make it even better, with higher quality. Top it off with a Snell 2010 approval and there you have it, the new Shoei RF-1100! My ...