The thermionic vacuum tube and its applications (1920)
Van der Bijl, Hendrik Johannes, 1887- · New York McGraw-Hill Book, Co · leaf 247
ng current outputof several milliamperes in a resistance equal to its own resistancewhich varies approximately between 50 to 100 ohms. The use of this generator makes it possible to include the wholeamplification test circuit shown in Fig. Ill, in compact form in a]X)rtable box. Fig. 116 shows such… … Fig. 115 73. Amplification as a Function of the Operating Parameters. In the early part of this chapter it was pointed out that theoperating range of the characteristic of the tube is characterizedby the condition that the filament temperature must be so high that the effective grid voltage -+£-.+…
Telegraph, Wireless
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