FIELD: communication.
SUBSTANCE: use: in telemetry systems for transmitting information via overhead power lines (OPL). According to the invention, a choke is connected to the terminals of the winding of the signal transformer. The output of the transmitter and the input of the receiver are connected in parallel with the choke to the terminals of the winding of the signal transformer through separation capacitors. Due to the choke connected between the terminals of the winding of the signal transformer, saturation of the magnetic core of the signal transformer with the magnetising force of the winding of the signal transformer is eliminated.
EFFECT: increase in the range and reliability of communication due to the increase in the power of the signal transmitted to the line.
1 cl, 2 dwg
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