In two-way radio, Narrowband-FM (N-FM) is used to conserve bandwidth. In addition, it is used to send signals into space. The Wideband FM (W-FM) requires a wider signal bandwidth than amplitude ...

FM varies the frequency of its radio waves, keeps the intensity (power) of the signal constant. Ordinary broadcasting (amplitude modulation) maintains a fixed frequency, varies the intensity.

Modern Modulation Techniques Jul 1, 2014 9:00 AM, Jeremy Ruck, PE Modern society is definitely more mobile than it was several decades ago. Accompanying the increased mobility is a corresponding ...

As a broadcast engineer who has been involved with both FM and AM IBOC in the field, I feel compelled to add my voice to the ruckus about HD Radio.

Inovonics’ fourth generation “541” FM Modulation Monitor is now shipping to customers. What makes it noteworthy compared to previous versions of the product?

What is FM Radio? FM, which stands for Frequency Modulation, is one of the radio broadcasting systems in the UK. FM uses frequencies from 87.5 MHz to 108MHz.

Most smartphones have a built-in FM chip. But whether or not it's activated is in the hands of the mobile carriers, who profit when you stream radio. The broadcast industry is pushing to change this.