The thermionic vacuum tube and its applications (1920)
Van der Bijl, Hendrik Johannes, 1887- · New York McGraw-Hill Book, Co · leaf 316
OR 293 of the oscillation circuit proper, or introduce parasitic circuitsthat would result in a loss of powei-. Fig. 169 shows, as an example, the Hartley circuit as it is com-monly used in practice. The plate battery Eb is inserted directlyin the circuit connecting the plate to the inductance L2.… … Fig. 168. appropriate negative potential with respect to the filament. Thismeans of maintaining the grid negative operates only when thereis a convection current between filament and grid; that is, whenthe grid becomes positive during part of the time that the a-c.potential on the grid is positive.…
Telegraph, Wireless
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
