The history of gain Relaxation oscillators Harmonic oscillators
The history of gain Relaxation oscillators Harmonic oscillators
The history of gain Relaxation oscillators Harmonic oscillators
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315 280 Electricity and Basic Electronics<br />
<strong>The</strong> next step was an invention by an<br />
American, Lee De Forest, who added<br />
an innovation component to Fleming's<br />
vacuum tube. It was a third electrode,<br />
called a grid, a network <strong>of</strong> small wires<br />
surrounding the cathode.<br />
<strong>The</strong> triode - the first amplifier<br />
http://en.wikipedia.org/wiki/Image:Triode_tube_schematic.svg
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