[Tech Minds] built one of those cheap automatic antenna tuners you see everywhere — this one scaled up to 350 watt capability. The kit is mostly built, but you do have to add the connectors and a few ...

The need for what’s called antenna tuning—either by adjusting the antenna itself or via a matching circuit between power-amplifier output and the antenna—is almost as old as wireless itself. Even in ...

In 1972, Martin Jue was a young entrepreneur who decided to use his electrical engineering expertise to start a new business, MFJ Enterprises, in Starkville, his adopted hometown. The cottage industry ...