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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 427

An illustration from The principles underlying radio communication, 1922, leaf 427
e signals. Its actionis explained as follows: Suppose the principal current flowsdownward through the detector and telephone. While thiscurrent flows the fixed condenser is charged with top platepositive. When the reversal of the radio oscillation comes thecurrent through D and T ceases. Then the… … FjO. 237 -if T Receiving ciVcuit* for v«ry ■aEs- lon^ or yary shorT v>A»vea rent are filled in, and the cumulative effect of a wave group isstrengthened. In practice the telephone cord, containing as itdoes two conductors separated by dielectric, forms a condenserwhich in some cases is…

Telegraph, Wireless · Radio

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