Ballard, William Cyrus, Jr · New York [etc.] McGraw-Hill company, inc. · leaf 107
mmimm … Fia. 41.—Two-circuit regenerative receiver with tickler coil. very loud will be heard to the exclusion of the telephonesignals. This beat tone can be eliminated by reducingthe plate-coil coupling until oscillations, cease, when thespeech will be clearly received. In congested districts it…
Radio
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