For applications such as handheld terminals, inventory control, and security systems, the RTFQ1 transmitter and complementary RRFQ1 receiver from OKW Electronics give you a moderate-speed, ...

FM transmitters/receivers are one of the top favorite circuits of every electronic designer. An FM transmitter is one of the first circuits that an electronic enthusiast decides to build. For this ...

Testing FM receivers is not that much different than testing other pieces of audio equipment. Appropriate tests include the big six: level, frequency response, THD+N, phase, interchannel crosstalk, ...

GatesAir is expanding its Flexiva GX FM transmitter line with two additional models at lower power levels. The line currently consists of 5 kW and 10 kW versions; now GatesAir is adding 50-watt and 1 ...

The Good: Portable; adjusts to any FM frequency between 88.1 and 107.9; comes with accessories such as a car lighter-socket adapter; looks very cool. The Bad: Poor backlight; no presets. The Verdict: ...

Android mobile devices provide Internet access on the go and can even bring your favorite songs to your car stereo. With a few simple tweaks, your Android device can transform into an FM transmitter, ...

The Si47xx series of integrated circuits from Silicon Labs is a fascinating series of consumer broadcast radio products, chips that apply SDR technologies to deliver a range of functions that were ...