Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 151
en the twoextremes. Some receiving detectors rely upon the principal of rectification (as we havealready shown) and will convert an alternating current of radio-frequency to auni-directional current; others have the property of rectification combined withthe ability to vary a local source of… … 160—Detector Holder for Galena and SiliconCrystals. RECEIVING CIRCUITS, DETECTORS, TUNING APPARATUS. 141 upon the ability of these oscillations to cause certain granulated metals to cohere. Perhaps the most highly developed of all receiving detectors are the vacuumtube rectifiers which are…
Telegraph, Wireless
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