What are harmonics in RF systems? A given signal’s second harmonic is approximately twice the given signal’s fundamental frequency. Ideally, amplifiers are expected to have zero non-linearities in the ...

For the first time in history, a prototype radio has been created that is claimed to be completely digital, generating high-frequency radio waves purely through the use of integrated circuits and a ...

(By Bob McCurdy) Last week I had a lengthy discussion with a planner at a medium-sized agency who continues to position radio as a frequency vehicle to his clients. We exchanged perspectives and I ...