As a follow-up on his story on tunnel radio, Nick Langan explores college campus carrier-current radio and hears from readers ...

In this ebook, we update you on one of the most important decisions that radio engineers must make in designing their air chains.

Mike: Nearly every analog instrument uses the 4-20 mA loop. Field transmitters, positioners, and variable frequency drives ...

LG's most feature-packed phone for Sprint, and the first phone on the U.S. market with an FM transmitter. Other music features include a song download via EVDO high-speed data and stereo ...

This study proposes the design, fabrication, and testing of a 3-D integrated transmitter operating at the W band. Detailed analyses of the performance variations before and after packaging of the ...