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Video and Audio Frequency Channels
Simple Electron Lens Action
33 other sections not shown
amplifier stage amplitude angle anode audio automatic gain control broadcasting camera tube carrier cathode cathode ray tube cathode-beam tube channel charge circuit coaxial cable coil condenser control grid cycles deflecting plates dipole direct direct current disk doublet elec electrical electron beam electron gun emitted employed engineer film fluorescent focusing frame frequency modulation frequency signals globule horizontal iconoscope intermediate frequency lens light magnetic field megacycles microhenries modulation mosaic motion picture multivibrator negative ohms operation optical oscillator output path pedestals phase photo-sensitive picture signal positive produce pulse quency radiation radio frequency receiving antenna resistor saw-tooth scanning scene screen second anode shown in Fig sound spot stations studio surface synchronizing impulses synchronizing signals tele television receiver television signal television transmitter tion trans transmission line trons tuned ultra-high-frequency vertical sweep video amplifier video detector video frequency amplifier video signal vision voltage volts wave wavelength wire