The thermionic vacuum tube and its applications (1920)
Van der Bijl, Hendrik Johannes, 1887- · New York McGraw-Hill Book, Co · leaf 379
on the value of the d-c.grid potential chosen. The point at which the observed detectingcurrent deviates from the straight hne is obtained when the sum 356 THERMIONIC VACUUM TUBE of the peak values of the vokages impressed on the giid becomesgreater than the negative d-c. grid potential so that… … Fig. 211. increasing the plate potential. In the case of the lower char-acteristic the input voltage cannot much exceed the value OA,but in the case of the characteristic with the liigh plate potentialthe input can be made as large as OC, without allowing electronsto flow from filament to grid.…
Telegraph, Wireless
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