Electronics > Projects, Designs, and Technical Stuff

Can a diode amplify sound?

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Yansi:
Every component with a bit of negative resistance on its VI curve can be used to amplify signal, if I am not mistaken. Tunnel and Gunn diodes are two of them.

Gyro:
... but in terms of the thread title of amplifying sound, or at least an audio signal. Not a hope.

emece67:
.

bson:
For most diodes, only in the sense that a detector is an amplifier...

mcovington:
Why would you expect that circuit to amplify?  It looks like what you would get if you misread the schematic of an amplifier for a filament triode tube and simply put the cathode in place of a grid.

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