Ballard, William Cyrus, Jr · New York [etc.] McGraw-Hill company, inc. · leaf 73
puts. For simplicity ofoperation it can hardly be improved iipon, and the resultsobtained with its use are very satisfactory. 50 ELEMENTS OF RADIO TELEPHONY Modulation by Variation of Tube Output.—This systemdiffers from the one just described in that the constants ofthe antenna circuit remain… … •- B Fig. 24.—Plate circuit modulator connections. variation of the plate voltage and (6) by variation of thegrid voltage. Plate-circuit Modulation.—Connections for plate-circuitmodulation are shown in Fig. 24. The terminals A and Bare connected to a tube oscillator in place of the usual…
Radio
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