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 ...

This is the second in a series of articles about FM transmission systems. The first appeared Oct. 9. How many bays do I need in my antenna and how much transmitter power do I need? These questions ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. Concert posters ...

This FM transmitter circuit uses four radio frequency stages: a VHF oscillator built around transistor BF494 (T1), a preamplifier built around transistor BF200 (T2), a driver built around transistor ...

Judging by Apple’s silhouette advertisements, you’d think the iPod was tethered only to slim youths devoted to dance. Not so. The world’s most popular go-anywhere music player is increasingly going ...

The Si47xx series of integrated circuits from Silicon Labs is a fascinating series of consumer broadcast radio products, chips that apply SDR technologies to deliver a range of functions that were ...

If a device connects wirelessly to other things, chances are high that it has an antenna in it. But as crucial as these components are, the rigid metals they're made of can limit what devices they can ...

WICHITA, Kan. (KSNW) – KSN is in the process of making improvements to our transmitter, to provide better coverage for our viewers. Our engineers are currently switching out our transmitter to upgrade ...

Public radio station KNCT-FM announced it is temporarily off the air due to problems with a transmitter. The transmitter shut off early Tuesday and the station had been operating at low power. However ...