Somehow [hvde] wound up with a CB radio that does AM and SSB on the 11 meter band. The problem was that the radio isn’t legal where he lives. So he decided to change the radio over to work on the 6 ...

I needed to come up with a communications device to transmit a handful of bytes, every hour, from a small off-grid solar system to my shop about 150 feet away. The first thought was Wi-Fi, but I ...

The legendary 6502 microprocessor recently turned 50 years old, and to celebrate this venerable chip which brought affordable computing and video gaming to the masses [AndersBNielsen] decided to put ...

No doubt most tech and electronic enthusiasts have encountered buzz around SDR, software-defined radio, and asked themselves “what’s the sudden big deal,” if the technology existed for decades? The re ...

I want to get just a little technical this week and talk about how radios work. I’m going to avoid the detailed, low-level engineering stuff, apart from saying that designing radios is at least as ...

Chances are, you’ve actually used one without realizing it. I’m referring to a software-defined radio, and it is the design that most — if not all — modern radios, including automotive and home models ...

Software-defined radio (SDR) is a flexible and high performance signal processing and radio communication system that employs certain software-based modules instead of traditional hardware-based ...

If you haven’t heard about Software-Defined Radio (SDR) by now, you certainly will soon enough. The idea behind SDR has been around for over 30 years, but it’s only recently that it has started to ...