Elements of Radio, Volume 1 |
Contents
CHAPTER PAGE 1 HISTORY OF COMMUNICATION | 3 |
WAVE MOTION | 7 |
WAVES IN ETHER | 13 |
Copyright | |
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aerial aerial-ground system alternating current alternating-current ammeter amplifier tube amplitude antenna coupler armature audio battery called capacitance carrier wave cathode Chapter characteristic curve conductor connected coupling crystal current flowing Diagram showing dielectric dielectric field diode direct current direct-current distortion dry cell effect elec electric current electrical energy electromagnet electromotive force electron stream eliminator feedback filament filter flow of electrons fluctuating frequency galvanometer graph grid bias impedance inductance inductor input lines of force loop magnetic field meter method modulation negative charge ohms oscillator output parallel phones plate circuit plate current plate voltage pole positive charge power tube primary Problem quency radiation radio receiver radio wave radio-frequency amplifier radio-frequency current reactance rectifier resistance resistor resonant circuit rheostat screen grid secondary shown in Figure signal sky wave station stream of electrons superheterodyne receiver transformer transmitter triode tuned radio-frequency tuner tuning circuit variable condenser vertical volts wire