Basic Radio: The Essentials of Electron Tubes and Their Circuits |
Contents
CHAPTER PAGE | 1 |
CAPACITANCE AND INDUCTANCE | 13 |
ALTERNATING CURRENTS | 22 |
Copyright | |
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alternating current amount amplitude amplitude modulation anode antenna applied audio battery C-bias C₁ C₂ called capacitance carrier wave cathode cathode-ray tube charge circuit of Fig Class C amplifier coil conductors connected constant coupling crystal cuit current flows cutoff cycles per second deflecting plates detector diode direction electric field electrons energy equal feedback Figure filament filter gas-filled grid voltage half-cycle half-wave harmonics hence high frequencies impedance increase inductance input voltage light load loop magnetic field maximum metal meter microphone modulation negative ohms operation oscillator parallel pentode phase plate circuit plate current plate voltage positive potential pulses quency R-C coupled r.f. amplifier R₁ R₂ radiation radio frequency radio waves ratio reactance receiver rectifier resistance resistor resonant screen secondary shield shown in Fig signal stage tank circuit thyratron transformer transmission line transmitter triode tuned ultra-high frequencies vacuum tube velocity vertical volts wave-length wire zero