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Author Topic: Carbon Microphone as a Crystal Radio Detector  (Read 135 times)

Offline vu2nan

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  • Nandu - VU2NAN since 1977.
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Carbon Microphone as a Crystal Radio Detector
« on: August 19, 2019, 16:01:59 UTC »
A vintage telephone carbon microphone, which possesses multiple contacts between carbon granules and metal, was tried out as a detector replacing the germanium transistor in my series-tuned, shunt fed crystal radio.

More details at

https://nandustips.blogspot.com/2019/08/carbon-microphone-as-crystal-radio.html

73,

Nandu.