Radio Physics Course: An Elementary Text Book on Electricity and Radio |
Contents
Chapter Page 1 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 band battery broadcast capacitance cathode cell characteristic charge choke choke coil core coupling current flowing curve cycles designed detector diaphragm dielectric direct current effect electric electrolyte electrons employed equal filament filter grid bias grid circuit grid potential heat high frequency increase inductance inductor input insulating light load loud speaker magnetic field maximum metal meter microhenries microphone mutual conductance negative obtained ohms operation oscillator output pentode plate circuit plate current plate impedance plate voltage pole positive power tube primary produced push-pull quency r. f. amplifier radiations radio frequency radio receivers reactance rectifier resistance resistor resonance secondary short wave shown in Fig signal voltage sound waves stage station terminal tion transformer tuned circuit tuning coil tuning condenser type tubes usually vacuum tube variations varying vibration voltage drop voltmeter volts wavelength winding wire