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 493
lification.—A single electron tube can be used to amplify and detect radio-Frequency current and simultaneously to amplify the telephonepulses of audio frequency. The circuits are shown in Fig. 276.Here M2 represents the coupling Cor the radio frequency, andHie coils are of relatively small… … Combination radio and auditfrequency amplification Combination of Electrontube amplifier and crystal detector the audio frequency and of by-passing the radio frequencies.The radio-frequency variations in the plate current How throughthe circuit rFLaCtC\L* and at the same time the…
Telegraph, Wireless · Radio
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