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Publication of BE449479ApublicationCriticalpatent/BE449479A/xx
H03C3/10—Angle modulation by means of variable impedance
H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
H03C3/14—Angle modulation by means of variable impedance by means of a variable reactive element simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit