Old Time Radios! Restoration and RepairPublisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. |
Contents
A Brief History of Radio Receivers | 1 |
Transatlantic Wireless | 2 |
New Inventions | 3 |
Copyright | |
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ac/dc adjusted alignment amplitude anode antenna audio amplifier audio output audio signal bias capacitance car radios cathode components connected control grid coupled crystal set current flows dc power supply detector circuit dielectric digit diode Earphones electrolytic capacitor electromagnet electrons emission equipment feedback Figure filament filter capacitor ground half-cycle heat impedance inductance inductor input signal load loudspeaker magnetic field mixer modulation negative ohmmeter ohms operation oscillator oscilloscope output transformer pentode plate current plate voltage power amplifier preamplifier probe problem produce radio receivers reactance replaced resistance resistor resonant frequency RF amplifier RF signal ripple filter screen grid shown in Fig shows signal level sinewave solid-state speaker stage stations superhet superheterodyne receiver terminal transistor transmitters TRF radio trimmer triode troubleshooting tuned circuit vacuum tube variable capacitor vector voice coil voltage volts volume control VTVM waveform wire WVdc zero