Surprise! Shortwave radio as a broadcast medium is holding its own, despite the intrusion of the internet, transmission cutbacks by major broadcasters such as the BBC World Service and Voice of ...

Like almost everything else in electronics, radios are becoming processors with software that communicate via a small amount of RF I/O circuitry. Surely, then, the rise of software-defined radio (SDR) ...

The announced delays in the rollout of third-generation (3G) wireless communication infrastructure and services, and the increased need to update the existing wireless infrastructure with General ...

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 ...

With the advent of software defined radio platforms in military aerospace and now more recently in some consumer radio and electronics segments, the usefulness of Field programmable logic (FPGAs) as ...

Fig 1. A conventional legacy radio receiver (a) uses the standard analog superheterodyne architecture with analog circuitry performing all functions. A more advanced superheterodyne receiver (b) uses ...