Ballard, William Cyrus, Jr · New York [etc.] McGraw-Hill company, inc. · leaf 59
ranged to be furnished from a separate low-voltagesupply, thus keeping the field circuit entirely insulated fromthe high-voltage windings. 36 ELEMENTS OF RADIO TELEPHONY Rectifier Systems.-^Rectifier systems are applicable fromabout 500 volts upwards. Although they may be usedbelow 500 volts, the… … m com wsmmsimmm fy/g/} vo/tagedirect- curnenf: /oiY {/offageaffemcting Fig. 17.—Rectifier utilizing both halves of the alternating current wave. better suited than those of the mercury arc type. As com-mercially manufactured they much resemble the powertubes which they are designed to supply except…
Radio
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