Is Radio Dead?

If the song by the Buggles, “Video Killed the Radio Star” is right, then radio certainly passed its prime years ago, or has it? Actually, radio is alive and well if you are talking about radio waves. Radio signals are used every day in many ways, including to transmit video signals.

Industries That Use Radio Technology

News and media companies use radio waves to transmit signals across the world and down the street. Television and radio stations use RF design to send information to uncounted numbers of receivers. Power stations use RF for power monitoring, transmission lines and so on. Different wave frequencies are used to transmit different types of information. Ships and planes use radar as well as other types of radio signals for navigation. Astronomers track radio waves from space to learn more about our universe.

Everyday Items That Use Radio Technology

You may have given a radio-controlled car or airplane to your child for Christmas and figured that was one of the few uses for radio in this modern age. Whether you realize it or not, in addition to your child’s toy and your car radio, your mobile phone uses radio frequency design to operate. RF is also part of what makes your Wi-Fi router work so you can use your computer at work. Your microwave oven, your computer and tablet, and most wireless items use this type of technology.

Components That Make RF Designs Work

From attenuators, amplifiers, mixers and filters to RF couplers and splitters, there are many components used to make the radio waves transmit coded data. Don’t forget the different types of receivers needed to accept and translate the signals being sent.

Radio is far from dead; it is the foundation for much of our current wireless technology. Maybe the lyrics of that song should read “Radio is the video star.”