A couple of years ago one of the Hackaday Prize finalists was a project to take highschoolers through building a direct conversion radio receiver for the 40 metre amateur band. It was originated by ...

Cellular operators have longed for the ability to deploy versatile wireless infrastructure that can be field programmed to serve a range of cellular services. Ultimately the wireless infrastructure ...

Direct down conversion, and its companion, very low IF (VLIF) or near-zero IF, are approaches that have essentially changed the face of the receive chain in a mobile handset. For the designer, it is ...