How radios send and receive information can seem magical to the uninformed. For some people, this week’s Retrotechtacular video, “Frequency Modulation – Part 1 Basic Principles”, from the US Army ...

As a youngster in the 1950s Jim Shulman spent many hours listening to Pittsfield’s AM radio stations: WBRK and WBEC that ...

When broadcasting was in its infancy, amplitude modulation (AM) was the principal modulation system being researched and developed. Once efficient generation of useful RF signals was discovered and ...

To understand the difference between AM and FM, it’s first important to know how radio stations – which still use traditional broadcasting methods – get the music to our stereos. Stations start off ...

The total power content of an AM signal is 1000 W. Determine the power being transmitted at the carrier frequency and at each of the sidebands when the percent modulation is 100%. The total power ...

Who says AM radio is passé? Inovonics has sped up its market launch of its new 526 AM Modulation Monitor, and shipping has now commenced. Inovonics was expected to begin shipping the 526 in May. Gary ...

Compared to the simple diode needed to demodulate AM radio signals, the detector circuits used for FM are slightly more complicated. Wrapping your head around phase detectors, ratio detectors, ...

Belar Electronics has unveiled its latest innovations for analog and digital AM modulation, as the RF monitoring firm has completed its updates for its legacy AMMA-2. The company says this allows for ...

FELTON, California — Inovonics has introduced the new 531N FM Modulation Analyzer with Network Interface, replacing its well-known 531 FM modulation monitor. The redesigned 531N model has the same ...