The thermionic vacuum tube and its applications (1920)
Van der Bijl, Hendrik Johannes, 1887- · New York McGraw-Hill Book, Co · leaf 274
ty was designated in the equations bye. Now, € can be either positive or negative, and is seldomgreater than 1 volt. If it is negative, the grid will be intrinsicallyat a negative potential with respect to the filament. If this isthe case and the alternating input voltage is small no extra… … Fig. 140. Fig. 141. which I am indebted to my associate Mr. R. H. Wilson. Thescheme consists essentially in the addition of a resistance r in thed-c. branch of the output circuit. A positive value of e causeselectrons to be attracted to the grid and this results in a decreasein ampHfication due to…
Telegraph, Wireless
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