The principles underlying radio communication (1922)
United States. National Bureau of Standards, Ould, Richard Sheldon, 1889-, United States. Army. Signal Corps · Washington, Govt. Print. Off. · leaf 463
re then read bythe milliammeters ip and ie. Correction for the resistance ofthe milliammeters may be made to determine the true voltagebetween the cold electrodes and filament if a high order ofaccuracy is desired, but this correction is usually negligible. Two diagrams are required to express the… … Circuit^or DetermiTvirto Characteristic ^ Curves of ElectroTL Tubes _ F/G. 2 5a acteristics for a tube used in receiving equipment, this beingobtained (see Fig. 258) by setting the plate voltage at 20, 40,60 volts in turn and finding how the plate current changesas the grid voltage is changed. Fig.…
Telegraph, Wireless · Radio
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