Radio Physics Course: An Elementary Text which Explains the Principles of Electricity and Radio |
Contents
RADIO BROADCASTING SYSTEM | 1 |
SOUND SPEECH AND MUSIC AS RELATED TO BROADCASTING | 5 |
ELECTRON THEORY ELECTRIC CURRENT | 29 |
Copyright | |
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Common terms and phrases
alternating current ammeter amperes amplifier tube antenna antenna circuit applied arrangement atoms audio amplifier battery broadcast capacitance cathode cell characteristic charge choke choke coil core coupling current flowing curve cycles detector diagram diaphragm dielectric direct current effect electric electrolyte electromagnetic electrons employed equal filament filter frequency grid bias grid circuit grid leak grid potential heat impedance increase inductance inductor input insulating left of Fig light load loud speaker magnetic field maximum metal meter microhenries mutual conductance negative obtained ohms operation oscillator output pentode plate circuit plate current plate resistance plate voltage positive primary produced push-pull quency r-f amplifier radiations radio receivers reactance rectifier resistor resonance secondary short wave shown in Fig signal voltage sound waves stage station terminal tion transformer transmitting tuned circuit tuning coil tuning condenser type tube usually vacuum tube variations varying vibration voltage drop voltmeter volts wavelength winding wire