The thermionic vacuum tube and its applications (1920)
Van der Bijl, Hendrik Johannes, 1887- · New York McGraw-Hill Book, Co · leaf 397
ential of the grid increases, on account ofthe voltage drop established in the external resistance in the platecircuit. A condition can then be reached where the positivepotential of the grid becomes comparable with that of the plate,and in that case a large proportion of the electrons will be… … Fig. 227. that the saturation value was obtained at a positive grid potentialequal to the negative grid potential that just sufficed to reduce thecurrent to zero, thus resulting in a curve which is nearly sym-metrical with respect to the axis of zero grid potential. Instead of using a single tube…
Telegraph, Wireless
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