[Hans] wanted to see the frequency response of a bandpass filter but didn’t have a lot of test equipment. Using an RTL-SDR dongle, some software and a quickly made noise generator, he still managed to ...

Are you following this? My sense of the direction of wireless products is that practically everything is becoming a software-defined radio (SDR). The highest-volume wireless products, cell phones, are ...

At first glance, the ColibriNANO SDR looks like another cheap SDR dongle. But after watching [Mile Kokotov’s] review (see video below), you can see that it was built specifically for software defined ...

Two years ago, I wrote about using an inexpensive RTL2832-based DVB/DAB USB dongle as a spectrum analyzer and receiver. (See “Software-Defined Radios Help Explore RF Spectrum,” July 11, 2012). It is ...

Reid Fletcher is with the University of Wyoming broadcast engineering department. Not long ago, he was at a new site, pointing a dish for their Ku feed. For curiosity’s sake, Reid decided to ...

Electronic enthusiasts searching for a way to listen to radio broadcasts via an Ethernet connection may be interested in a new piece of hardware created by developer Kazunori Miura in the form of the ...