An Electron Tube Transmitter of Completely Modulated Waves |
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500 cycle supply 500-cycle voltage abscissæ ammeter Amperes antenna capacity antenna coil antenna cur Audio-fre Automatic Sender Bureau of Standards circuit with parallel complete radio-frequency cycle coupling coil current output cycle supply FIG d. c. c. wire deflecting electron tube envelope filament current Filament rheostat grid coupling half cycle inductively coupled circuit instantaneous antenna logarithmically modulated wave mitter modulated wave train mutual inductance nonoscillating detector number of turns obtain maximum output ohms output power parallel power supply peak value plate and grid plate circuit plate coupling plate is positive plate voltage power output quency radiation resistance radio frequencies radio-frequency oscillations radio-frequency plate current reactance receiving antenna receiving circuit rectifying detector resonance rms antenna current Scientific Papers secondary series compensating winding series power supply short wave lengths signals single frequency sinusoidally modulated wave spark transmitter Stopping condenser supply transformer supply voltage tube transmitter volt wave train persists wave train radiated wound on fiber