Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 171
ude by special con-nections on the same valve or by con-necting a number of valves in cascade.In the first method, the current ofradio- or audio-frequency is repeatedback to the grid circuit by specialradio- or audio-frequency transform-ers, but in the second method, a trans-former is connected in… … Fig. 181—Repeater or RegenerativeValve Circuit. Vacuum RECEIVING CIRCUITS, DETECTORS, TUNING APPARATUS. 161 The three element vacuum valve connected in a simple tuning circuit for the receptionof spark signals is adjusted for the maximum strength of signals as follows: (1) Theincandescence of the…
Telegraph, Wireless
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