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fleming valve

fleming valve CIENC. NAT.

fleming valve CIENC. NAT.

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Later known as the Fleming valve, it could be used as a rectifier of alternating current and as a radio wave detector. en.wikipedia.org

It was also called a thermionic valve, vacuum diode, kenotron, thermionic tube, or Fleming valve. en.wikipedia.org

Unlike a crystal detector or Fleming valve detector, the audion provided amplification of the signal as well as detection. en.wikipedia.org

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