There are various transmission schemes for cable television in addition to those regarding retransmission of digital broadcasts. Installation of optical fiber is also progressing. This article gives ...

Perhaps it was his sense of adventure, or the fact he comes from an R&D background. Whatever it was, Dave Kolesar knew that once he converted AM station WWFD in Frederick, Md., to full digital ...

The Federal Communications Commission has been hearing from the National Association of Broadcasters and other interested parties about whether to allow AM band stations to turn on all-digital ...

Managing Editor Josh Goldman is a laptop expert and has been writing about and reviewing them since built-in Wi-Fi was an optional feature. He also covers almost anything connected to a PC, including ...

With the exception of quantum physics, it’s an analog world. Digital modulation techniques are mappings of digital data onto analog voltage levels. These voltage levels then modulate an RF carrier ...