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 100
gnal oscillations, increase the secondary capacitance grad-ually. This decreases the frequency of the local oscillationsand the beat tone until finally no sound is heard. Then keepon increasing the capacitance to still further decrease thefrequency of the local oscillations below that of the… … =5* CouplingGround^ GridVariometer PhonesFig. 41—Three Circuit Regenerative Receiver for Short Waves. In Fig. 41 the antenna, grid and the plate circuit maybe tuned—three circuits. The third, or plate, circuit maybe called the tertiary circuit. Both the grid and plate circuitscontain a certain…
Vacuum-tubes · Radio
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