Introduction to electron tubes 2013-01-15

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Introduction to Electron Tubes - Vacuum tube, electron tube, or thermionic valve is a type of an electronic component mainly used on

Vacuum tube, electron tube, or thermionic valve is a type of an electronic component mainly used on radios and televisions since mid 20s and in terms of use it's analogous to the modern transistor. Thomas Edison, Eugen Goldstein, Johann Wilhelm Hittorf, Joseph Swan, Nikola Tesla, were among the key people involved in the development of the electron tube so later RCA to be the first company that made vacuum tubes available for commercial products.

in more detail it's a device usually enclosed...

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