The prices of the valuable chemical elements germanium and gallium, which are used in many products, such as semiconductors, ...

These days the envelope detector is a point contact diode such as a 1N34 Germanium diode ... radios is that no active RF amplification is used. The radio is powered by the incoming radio signal ...

We are used to microwave receivers requiring ... With nothing more complex than a germanium point-contact diode and an oscilloscope, you can quickly, easily, and cheaply resolve microwave signals ...

Semiconductor crystals were used in radio and radar receivers because ... accidentally discovered that a crystal of germanium -- a semiconductor which was not well understood at the time ...

and GE/ASYM which uses a vintage germanium diode to create asymmetrical, even-order harmonic distortion. Tested with ...

The color of the light given off by an LED depends on the material used in its construction and on the construction technique. The Schottky diode and the germanium diode have both the same turn-on ...