(57) A receiver for receiving a signal representing a measured value and transmitted through
a two-wire transmission line (1₁₁, 1₂₁ to 11n, 12n), a comparator (81₁ to 81n) for comparing a received signal with a reference voltage (Eref), extracting a component
exceeding the reference voltage, and producing a pulse signal representing the component,
and a capacitor (C₁₁ to C1n) inserted in series between the input of the comparator and the transmission line
for passing only an alternating current (AC) component of the received signal.
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