The thermionic vacuum tube and its applications (1920)
Van der Bijl, Hendrik Johannes, 1887- · New York McGraw-Hill Book, Co · leaf 282
alf period during which current in Ri flows inthe direction of the arrow. This makes the grid of the tube A lessnegative with respect to its filament. The output electron currentin R2 therefore increases in the direction of the arrow. Thismakes the grid of B more negative with respect to its… … Fig. 145. through »9 is in phase with the current In 7?3, and since it mustflow through part of R2 the potential of the grid of B is increasedover that occasioned by the space current in tube A. It will beapparent that in order to have the phase relations right, the outputof one tube must be…
Telegraph, Wireless
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