Radio for everybody; being a popular guide to practical radio-phone reception and transmission and to the dot-and-dash reception and transmission of the radio telegraph, for the layman who wants to apply radio for his pleasure and profit without going into the special theories and the intricacies of the art (1922)
Lescarboura, Austin C. (Austin Celestin), 1891- · New York, Scientific American publishing company [etc.] · leaf 209
, it requires a filament 190 RADIO FOR EVERYBODY battery and a high-voltage B battery. When telephonehead sets are to be used, only 45 volts is required for theB battery. In that case two B battery units of 22/4 volts each are connectedin series, and a tap istaken from the connec-tion between the… … How the radio-frequency amplifier is used with the loopantenna for long distance reception. VC 1—variable con-denser across loop terminals; L. 1 and Li 2—inductance coils;VC 2—variable condenser; FC—fixed condenser; Am—amplifiertube; D—detector tube; T—telephone receivers; B—plate bat-tery;…
Radio
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