The A B C of vacuum tubes in radio reception; an elementary and practical book on the theory and operation of vacuum tubes as detectors and amplifiers. Explains non-mathematically the fundamental principles upon which all vacuum tube circuits are based. Includes practical circuits and practical questions and answers. It is written especially for the beginner. All electrical and radio terms are fully explained (1922)
Lewis, Elmer Hugh, 1889- · New York, Norman W. Henley Pub. Co. · leaf 27
current flowing in one will produce an alter-nating current in the other of the same frequency. In this 28 A B C OF VACUUM TUBES case of electrical resonance, the second circuit is caused toVibrate electrically in sympathy with the first. Oscillations Alternating electrical currents of extremely… … •Amplitude inNegative Directionof Flow Fig. 9—Continuous oscillations. called Radio frequency alternating currents. Instead ofusing this long name a shorter one has been selected for prac-tical use, and it is said that such alternating currents areoscillations. A definition of oscillations may then…
Vacuum-tubes · Radio
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