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 ...
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 range of this FM transmitter is around 100 meters at 9V DC supply. The circuit comprises three stages. The first stage is a microphone preamplifier built around BC548 transistor. The next stage is ...
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: ...
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