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H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
H03F3/38—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers
H03F3/40—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with tubes only
H—ELECTRICITY
H03—ELECTRONIC CIRCUITRY
H03C—MODULATION
H03C7/00—Modulating electromagnetic waves
H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
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FR1001237D1946-04-011946-04-01Procédé de modulation et de réception des ondes millimétriques
ExpiredFR1001237A
(fr)