Amateur radio license exams typically have a question about the bandwidths taken up by various modulation types. The concept behind the question is pretty obvious — as guardians of the spectrum, ...

Abstract: In this brief, a four-port MIMO (Multiple Input Multiple Output) Dielectric Resonator Antenna (DRA) integrated cognitive radio (CR) concept is designed and analyzed. It is the first time ...

If you’ve ever used an NE602 or similar IC to build a radio, you might have noticed that the datasheet has a “gilbert cell” mixer. What is that? [Electronics for the Inquisitive Experimenter] explains ...

Bambu Lab states that the servo motor in the H2S extruder delivers up to 22 pounds of force with an impressive 20KHz ...