Radio Technology: Telegraphy, Telephony, Television, Transcription, Facsimile |
Contents
BASIC ESSENTIALS | 3 |
RADIO MATHEMATICS | 17 |
CHEMICAL PRODUCTION OF ELECTRIC CURRENTS | 53 |
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Common terms and phrases
a-c circuit alternating current ammeter amplifier amplitude antenna applied armature attenuator audio battery bias broadcast called capacitive reactance capacitor carrier cathode cell characteristic class C amplifier coil component conductor coupling crystal crystal oscillator current flows curve cycle decrease detector diagram direct current effect efficiency electric electrolyte electrons equal equation factor filter formula frequency grid circuit grid voltage harmonic heterodyne iconoscope impedance increase inductance and capacitance inductive reactance input circuit load resistance loop magnetic field maximum meter microphone modulation motor mutual conductance negative obtained Ohm's law ohms operating oscillator parallel circuit plate circuit plate current plate resistance plate voltage power output R₁ radiation radio ratio receiver rectifier resistor resonant result scanning series circuit shown in Fig shunt signal voltage stage station Substituting transformer transmission transmitter triode tuned utilized vacuum tube variation varies vector voltage wave form wave length wire zero