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 ...

The average textbook definition of modulation reads: modulation is a process in which the frequency, phase or amplitude of a carrier wave varies in step with the instantaneous value of the modulating ...

Dielectric’s low-power TV and FM business continues to grow as the company develops and expands its antenna and RF product portfolio of lower-power broadcast systems. Radio stations in Florida and ...

This application note involves the use of RIGOL’s instruments for FM signal generation and analysis. An arbitrary waveform generator will be used to produce the signal and a spectrum waveform analyzer ...

A new simpler, cheaper and potentially more effective way to prevent radio antennas from picking up unwanted signals has been created by researchers in the US. With further development, the technique ...

Let’s construct a low-power FM transmitter using surface-mount devices (SMD) that will be received with a standard FM radio. Soldering surface mounted devices is not so hard and actually is quite easy ...