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The principles underlying radio communication (1922)

United States. National Bureau of Standards, Ould, Richard Sheldon, 1889-, United States. Army. Signal Corps · Washington, Govt. Print. Off. · leaf 463

An illustration from The principles underlying radio communication, 1922, leaf 463
of the third electrode makes it possible to increase or decreasethe current between plate and filament through wide limits. Ifa voltage is impressed upon the grid by means of a third batteryconnected between the filament and grid, shown at C in Eftg.257, the space charge effect will be modified.… … many of them will still pass through, and reach the plate, be-cause of their high velocity, because the positive plate potentialstill affects them to some extent. If the grid potential is madestill more negative the plate current will diminish until finally itmay be stopped entirely. Suppose,…

Telegraph, Wireless · Radio

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