An Approach to Radio |
Contents
Chapter Page INTRODUCTION | 9 |
RADIO TRANSMISSION AND RECEPTION | 13 |
THE AUDIO OSCILLATOR | 43 |
Copyright | |
7 other sections not shown
Common terms and phrases
12 volts adjusted alternating current amount amperes amplitude antenna audio amplifier audio oscillator band battery beat frequency beat note receiver broadcast stations called cause chassis class B amplifiers coil and condenser connected cycles per second detector diagram diode direct current dry cell earphones electrical electromotive force electrons filament fixed condenser grid bias grid circuit grid coil grid leak grid voltage headphones headset heard heat high frequency incoming signal input signal insulation iron magnetic field metal meter microphone mixer MMFD modulation negative number of turns Ohms Ohms Law operation oscillation control output phones plate circuit positive produce prong tube quency radio frequency radio frequency amplifiers radio waves resistance resistor resonant RF AMPLIFIER schematic symbol secondary winding solder sound stage superheterodyne terminal tion transformer transmitter transmitting antenna triode tube socket tuned circuit tuning condenser vacuum tube vary VOLTS volume wire