The thermionic vacuum tube and its applications (1920)
Van der Bijl, Hendrik Johannes, 1887- · New York McGraw-Hill Book, Co · leaf 197
creased the cur-rent decreases only to h instead of to h. The characteristic there-fore straightens out and takes the shape given by hoa, instead ofVoa. Referring to equation (20), it will be seen that if we representthe alternating plate voltage and current by ep and ip, respectively,we have ep=… … Fig. 87. (3) Let the plate circuit now contain reactance as well asresistance, that is, let it contain an impedance Zo=ro+j.ro. Herewe have ep= —ipZo, but on account of the reactance .tq in the platecircuit the phase difference between the plate and grid potentialsmay differ from 180°. When this…
Telegraph, Wireless
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