Build a voice-powered RF transmitter

Technology
Build a voice-powered RF transmitter

ElSilbo_cc.jpg

Fred points out this schematic for a rather interesting radiotelephone transmitter instantaneously powered by the operator’s voice –

One of the neatest minimalist amateur radio transmitter circuits around – this one is voice powered – it provides DSB, (double side band)modulation and power from an ordinary 8-ohm speaker – if are in doubt that the circuit works, the maker has the contacts and the voice recordings to prove it!

An explanation of how it works + schematic and audio sample can be found on the El Silbo page.

Discuss this article with the rest of the community on our Discord server!
Tagged

ADVERTISEMENT

Ready to dive into the realm of hands-on innovation? This collection serves as your passport to an exhilarating journey of cutting-edge tinkering and technological marvels, encompassing 15 indispensable books tailored for budding creators.

FEEDBACK