. A system of multiplex telephony by the use of vacuum tubes . was held constantand the filan;ent current was cade the independentvariable. For a plate voltage of 30, saturation iswell established at a filament current of amp-eres, and a sli^^ht change in this v^lue does notseriously effect the results expected. While, witha plate volta?e of 60 the plate current curve is at?-n unstable point and poor results are Fio-. 6 and 7 orive illustrations of the sat-uration phenomenon. The most characteristic of the tubeis shown in ?, for here is illustrated the amp-lify
. A system of multiplex telephony by the use of vacuum tubes . was held constantand the filan;ent current was cade the independentvariable. For a plate voltage of 30, saturation iswell established at a filament current of amp-eres, and a sli^^ht change in this v^lue does notseriously effect the results expected. While, witha plate volta?e of 60 the plate current curve is at?-n unstable point and poor results are Fio-. 6 and 7 orive illustrations of the sat-uration phenomenon. The most characteristic of the tubeis shown in ?, for here is illustrated the amp-lifying feature. Two conditions are set up, one forthe specified values of the tube, and the other withother values, ^/ith the ^grid at zero potential, aplate current of milliamperes is found to flow,when the filament current was WSM >i ISBhSSSESS S^gggg ???takUJj^iVU^ ???? ??? ^SB^Sr¥ ^^^^^1 SI ?BB ^Bh ^^^^_ ? ^H ^^^^^^^^^isni l9 1 ^^H Bi S^^ ^m G ffl ? ^^^^1 ? ijJiB ^^^^^^^^H TjTj^csfc^^/TZAar |T ::2li^j?a^^^. V ^KsrsrF^pr^/ry/^r^ir/vsiTA^^iTTO—sui/^o
Size: 2301px × 1086px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookidsystemofmult, bookyear1919
