The thermionic vacuum tube and its applications (1920)
Van der Bijl, Hendrik Johannes, 1887- · New York McGraw-Hill Book, Co · leaf 343
ted by the ordinate AO. Now let a high frequency voltageof amplitude Oa be superimposed on this constant grid potential.The output current wave Avill then have the amplitude given byab. If the grid potential be increased to the value BC and a highfrequency voltage of the same amplitude as before be… … Fig. 190. output current wave for the same amplitude of input becomesgreater and is represented by a/6. If now, we impress on theinput not only a high frequency voltage of constant amplitudeOa, but also at the same time a low frequency having an amplitudeequal to say AB, then the amplitude of the…
Telegraph, Wireless
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