NS741 is an integrated circuit, a small power fm transmitter were left and right audio signals can be modulated in FM stereo with multiplexing. It is a small power fm transmitter that allows data ...

Here is a simple USB FM transmitter that could be used to play audio files from an MP3 player or computer on a standard VHF FM radio by connecting it to an USB port. The circuit use no coils that have ...

Making your own FM radio is practically a rite of passage for hackers. How about making a small FM transmitter? Originally designed by the Japanese multimedia artist [Tetsuo Kogawa], this simple FM ...

One of the easiest, simplest ways to make an FM transmitter is to buy this kit from BuildCircuit. It’s amateur friendly, so anyone should be able to use it. What you need for assembling this ...

Looking for a backup transmitter or spare exciter? There’s a new one on the market. The Broadcast Warehouse TX150, sold in the U.S. by Progressive Concepts, is a stereo FM broadcast transmitter that ...

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 ...

Placing a sheet of atom-thin graphene into a feedback circuit causes spontaneous self-oscillation that can be tuned to create frequency-modulated (FM) signals. Changyao Chen, Sunwoo Lee, Columbia ...

The author is senior solutions consultant for the Telos Alliance. This article appeared in Radio World’s “Trends in Codecs and STLs for 2020” ebook. Radio World reports there are more than 22,000 ...

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, ...

To build this simple radio transmitter, you will need to gather the parts such as a 9V battery, a clip, wires, a prototype board, a trimmer capacitor, a resistor, an audio plug, etc. From tools, ...