The creation of true software-defined-radio (SDR) systems has been made possible by the digitization of traditionally analog RF hardware. SDRs have been under development for many years. Now, they are ...

As you will see, by using ultrasonics to send and receive the data, we eliminate the need for expensive RF equipment such as high-speed oscilloscopes, spectrum analyzers, vector network analyzers, not ...

There is a new breed of RF receivers known as software-defined radios, and they are revolutionizing the way in which people listen to shortwave (SW) radio, or indeed any form of radio broadcast. SDRs ...