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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Common terms and phrases
aerial aerial-ground system air waves alternating current alternating-current ammeter amplifier tube amplitude antenna coupler battery called capacitance carrier wave cathode Chapter conductor connected coupling crystal detector current flowing detector tube Diagram showing diaphragm diode direct-current distortion dry cell effect elec electric current electrical energy electrical pressure electromagnet electromotive force electron stream electrons flowing eliminator ether waves filament filter fixed condenser flow of electrons grid bias grid circuit impedance inductance inductor light waves lines of force loop loudspeaker magnetic field meter method modulated natural frequency negative charge ohms oscillator output phones placed plate circuit plate current pole positive charge power tube primary quency radio receiver radio wave radio-frequency amplifier radio-frequency current reactance receiving set rectifier tube resistance resistor resonant circuit rheostat secondary shown in Figure signal sky wave station stream of electrons transformer transmitter triode tuner tuning circuit variable condenser vary vibrating volts wavelength wire