The 433 MHz spectrum is a little bit of an oddball. It’s one of the few areas of the radio spectrum which is nearly universally unlicensed Outside of the US, it’s an open playground for devices that ...

The radio frequency (RF) spectrum has many uses beyond the popular mobile communications and TV broadcasting. The onset of smart phones, tablets, and machine-to-machine communications has created ...

Back in the 1960s, when I started working in radio broadcast engineering, an oscilloscope was my “eye” on what was happening with equipment. That tool served me well and is still in daily use in my ...

Let’s say a corporate engineer or a consultant is coming to your station to diagnose and repair a problem using an RF spectrum analyzer. This would be a great time to schedule a meeting with your ...

Abstract: With the increasing use of wireless devices, available spectrum resources are becoming increasingly precious. Cooperative spectrum sensing (CSS) is a key technology in cognitive radio (CR) ...

Universal remotes make our lives easier. After all, it seems like every device we buy comes with its own remote, making it next to impossible to know where they all are at any given time. Even if ...

Abstract: Direct digital-to-RF conversion at the antenna interface offers many exciting opportunities to push the performance envelope of RF transmitters in efficiency, area, signal bandwidth, and ...