The principles underlying radio communication (1922)
United States. National Bureau of Standards, Ould, Richard Sheldon, 1889-, United States. Army. Signal Corps · Washington, Govt. Print. Off. · leaf 443
mmediately to the right of the point repre-senting zero voltage, good results may be obtained without anauxiliary battery. The rise will, of course, be most marked if eooo 1600J? 1200 *1 | 600 ^ 400 SO 10 0 j 1 _j / r / / A rS * **■ 101/ , 20 3Z / / <r,Z01 L 4 ,/ t / J / / / FiqZ46 Curve showing… … Fig Z4& Jfction of crustal detector with booster battery. the characteristic curve is concave downward. Galena, ironpyrites, silicon, and various other substances are so usedwithout a battery. The incoming voltage oscillations varyfrom a small positive voltage to a small negative voltage ofthe…
Telegraph, Wireless · Radio
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