| 摘要 |
FIELD: radio engineering, communication.SUBSTANCE: method for amplitude and phase modulation, frequency and amplitude demodulation of high-frequency signals involves interaction of high-frequency and low-frequency signals in a multifunctional device for amplitude and phase modulation, frequency and amplitude demodulation of high-frequency signals, which is made from a reactive four-terminal circuit, a two-electrode nonlinear element, a high-frequency load, a low-pass filter, a separating capacitor, a low-frequency load, wherein the required frequency characteristics of parameters of the reactive four-terminal circuit are determined by given mathematical expressions.EFFECT: enabling amplitude and phase modulation, frequency and amplitude demodulation by converting a frequency-modulated signal to an amplitude-frequency-modulated signal using the high-frequency part of the demodulator with a given slope ratio of the amplitude-frequency curve and a given amplitude-modulation factor of the formed amplitude-frequency-modulated signal.2 cl, 4 dwg |
