The thermionic vacuum tube and its applications (1920)
Van der Bijl, Hendrik Johannes, 1887- · New York McGraw-Hill Book, Co · leaf 352
-Eg-]-ej it wiW be found that as this voltage is increased by increasing either Ep or Eg, thedetecting current at first increases, reaches a maximum, and thendecreases. It is assumed that the grid is at all times negativewith respect to the negative end of the filament. Now thedetection… … detecting current such as shown in Fig. 196 is due to the potentialdrop in the filament due to the heating current. It can be ac-counted for if we take regard of the voltage drop in the filament ingiving an expression for the current as a function of the plate orgrid voltage. It was shown in…
Telegraph, Wireless
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