FIELD: radio engineering, communication.
SUBSTANCE: invention relates to field devices (102) for use in an industrial process. The device includes a process interface element (108) configured to measure or control a process variable. Communication circuitry (156) is configured to communicate with another location. A communication system is configured to provide communication between at least two components in the field device (102). A signal inverter (220) transmits an inverted signal from the communication system (192) to other circuitry to thereby reduce interference received by the other circuitry.
EFFECT: high reliability of the device.
18 cl, 5 dwg
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