FIELD: devices for medical diagnosis, in particular, magnetoresonance tomographs. SUBSTANCE: in the radio-frequency coil system for the magnetoresonance tomograph in the coil device for transmission of the exciting radio-frequency signal the preamplifier input is series-connected to the circuit of the transmitting coil and the first capacitor, connected to the point of their interconnection is the input of the exciting radio-frequency signal, and the switching unit is parallel-connected to the preamplifier input. EFFECT: provided examination of object with the aid of cableless receiving coil. 1 dwg
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