The thermionic vacuum tube and its applications (1920)
Van der Bijl, Hendrik Johannes, 1887- · New York McGraw-Hill Book, Co · leaf 92
PHYSICS OF THE THERMIONIC VALVE 69 plate through a commutator which is so arranged that the filamentcurrent and the plate voltage are applied alternatively for shortintervals of time, the plate voltage being applied only while thefilament voltage is cut off. If the alternations are frequentenough,… … 4 5 6 7 8 9 10 20 30 40 50 60 70 80 901 Anode Volts Fig. 24. The dotted line in Fig. 24 is drawn to have a slope equal to |.For the higher voltages curve 1 is probably close to the theoreticalline, but at the lower voltages it bends to the left on account of theinitial velocities of the emitted…
Telegraph, Wireless
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