The thermionic vacuum tube and its applications (1920)
Van der Bijl, Hendrik Johannes, 1887- · New York McGraw-Hill Book, Co · leaf 180
change in the grid potential produces /t-times as THE THERMIONIC AMPLIFIER 157 great a change in the plate current as an equal change in the platevoltage. Equation (7) can be interpreted to mean that a potential varia-tion bEg = eg impressed between the grid and the filament Ls of|uiv-alent to… … 1000 Orid Volt-sFi(i. 7G. Integrating equation (7) we get Ep = Ep-\-ixEg (8) While equation (5a) gives the relation between Ep and Eg necassaryto neutralize the stray field and keep the current zero, equation (7)gives the relation necessary to keep the current constant at anyconvenient value. The…
Telegraph, Wireless
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