The thermionic vacuum tube and its applications (1920)
Van der Bijl, Hendrik Johannes, 1887- · New York McGraw-Hill Book, Co · leaf 196
If the external resistance ro (Fig. 72), instead of beingzero, has a finite value and is non-inductive, the dynamic charac-teristic still coincides with the static characteristic, but they aredifferent from the characteristic of the tube itself, being given byFigs. 84 and 85 instead of those shown… … - Ic Fig. 86. to Fig. 86, let the three parabolic curves represent the characteris-tics of the tube itself, the middle one of which, let us say, is the oneobtained when the plate-filament voltage has a definite value Ej,.The other two are the characteristics for higher and lower valuesof Ep. Let…
Telegraph, Wireless
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