The thermionic vacuum tube and its applications (1920)
Van der Bijl, Hendrik Johannes, 1887- · New York McGraw-Hill Book, Co · leaf 287
LineW p Line E … Fig. 149. on the grid of the ampHfier; these wiU cause further amplification,the amphfication becoming cumulative, thus creating sustainedascillations or singing. The advantages of the 22-circuit over the 21-circuit are appa-rent: The latter requires that the impedances of the lines (asmeasured at…
Telegraph, Wireless
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
