Millikan, Robert Andrews, Gale, Henry Gordon · Boston : Ginn and Co. · leaf 500
he primary circuit of thetelephone transmitter (§ 376). This induces correspondingE. M.F.s in the secondary circuit, which impresses audio-frequency variations of potential upon the grid of a vacuum-tube modulator. The resulting changes of audio frequencyin the current of the plate circuit of the… … TelephoneTransmitter Bank ofpower-tube amplifiers Vacuum-tube modulator OscillationTransformer Ground Fig. 471. High-power long-distance wireless-telephone transmitting station amplified by a bank of three-electrode power tubes and isthen delivered to the aerial through an oscillation trans-former.…
Physics
Internet Archive · UBC Library · Public Domain Mark 1.0. Free to use for anything.
