Back in the Jurassic days of electronics, before Lee de Forest developed the three-element “grid audion” (a triode vacuum tube providing amplification) around 1906, circuits and channels were passive ...

There are lots of hot topics in RF and wireless: 5G, for sure, plus others such a nanocells and MIMO, to cite just a few. Some of these are truly new and didn’t exist or were only a theory until a few ...