| 摘要 |
FIELD: radio engineering, communication.SUBSTANCE: method of demodulating phase-modulated signals is characterised by that a phase-modulated signal is transmitted to a demodulator having a linear four-terminal network, a three-electrode nonlinear element, a high-frequency load, having reactive two-terminal networks in form of parallel oscillatory circuits, a low-pass filter and a low-frequency load, wherein the phase-modulated signal is converted to an amplitude-phase-modulated signal by transmitting said signal to the right or left side slope of the amplitude-frequency curve of the high-frequency part of the demodulator in a given frequency band; values of parameters of elements of the reactive two-terminal networks, inductors and capacitors are determined using mathematical expressions given in the claim.EFFECT: enabling demodulation without using a reference oscillation generator with conversion of the phase-modulated signal to an amplitude-phase-modulated signal using the high-frequency part of the demodulator with a given amplitude modulation factor on the high-frequency load.2 cl, 4 dwg |
