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 491
C3 -s Fiq 276 … -ara Combination radio and audioirequency amp/iucation mmm„ Tin -277 Comhmation of Electrontube amplifier and crystal detector the audio frequency and of by-passing the radio frequencies.The radio-frequency variations in the plate current flow throughthe circuit PFLzdC^L^ and at the same time the…
Telegraph, Wireless · Radio
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