FIELD: electrical engineering, organization of communication channels with use of power lines without signal processing with high- frequency wavetraps. SUBSTANCE: technical objective of invention lies in increased noise immunity and signal transmission speed up to 50 or 100 baud. Proposed method utilizes synchronous detection of signals with the aid of integration whose start and finish are determined by characteristic points which are time moments of transition of common supply voltage through zero in one of phases of network in centers of transmission and reception. EFFECT: increased noise immunity and transmission speed. 1 dwg
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