Introductory Radio, Theory and Servicing |
Contents
PREFACE | 1 |
FUNDAMENTALS OF RADIO CONSTRUCTION AND REPAIR 333 | 32 |
VACUUM TUBES | 49 |
Copyright | |
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adjusted alignment alternating current amount amplitude modulation antenna approximately armature audio amplifier audio frequencies band battery C₁ capacitive cathode cathode-ray cause chassis choke Circuit Diagram circuit shown conductors cone connected core curve d-c voltage deflection detector diode direct current electric electrons equipment feedback filament filter flux grid bias heater high voltage i-f amplifier impedance increase indicated inductance input instrument insulated intermediate frequency load resistor loud-speaker magnetic megohm method MICHIGAN microphone milliammeter modulation negative obtained ohmmeter ohms operation oscilloscope output voltage pentode phototube pickup plate circuit plate current plate voltage positive power supply primary push-pull R₁ radio reactance receiver rectifier schematic diagram secondary shown in Fig solder speaker stage station superheterodyne receivers switch terminals test oscillator total resistance triode tuned circuit tuning condenser usually voice coil voltmeter volts volume control watts wave wave trap wire