Ham radio operators across southeast Wisconsin are gearing up for a nationwide communications drill. It's part of the annual ...

Area amateur radio operators took to the airwaves this weekend to show what they can do to keep communications going in times ...

To check, remove the power from the amplifier and see whether the problem goes away. There are three types of amplifier – masthead, set-back and distribution. All these need a power supply to work.

Every day, we make countless choices—but are these decisions guided by desire or design? This hour, TED speakers on what shapes the food we eat, how we power our homes, and how we communicate.

The predistortion models for radio frequency (RF) power amplifiers (PAs), such as convolutional neural networks (CNNs) and deep neural networks (DNNs), has shown a significant improvement in ...

This article presents a wideband series-Doherty power amplifier (SDPA) for millimeter-wave (mm-wave) fifth-generation (5G) applications. It features a compact two-step impedance inverting-based series ...

Find out what's on when with our full programme schedule. News for Wales on your smart speaker Play BBC News for Wales for the latest headlines ...