The thermionic vacuum tube and its applications (1920)
Van der Bijl, Hendrik Johannes, 1887- · New York McGraw-Hill Book, Co · leaf 139
ely speaking, very-small. In order to explain the operation of the thermionic valve in arectifier circuit, let us consider its d-c. characteristic curve, shownin Fig. 42. When operated under the right conditions the device 116 THERMIONIC VACUUM TUBE conducts practically no current during the half… … FiG. 43, acteristic of the valve. As long as the peak value of the appliedsimple hannonic voltage is less than Es (Fig. 42) when the fila-ment temperature is T the current wave shape takes the formshown by the continuous curves in Fig. 43, the applied voltagebeing given bj^ the broken curve in…
Telegraph, Wireless
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