Abstract: This antenna adaptor (840) is intended to be placed between an antenna (830) and a receiving channel (850). It includes: a first conductive wire (806) crossed by an external current (iext) corresponding to a signal delivered at the output of the antenna, the first wire generating in its vicinity an external magnetic field; and a magnetometric sensor (810), placed in the vicinity of the first conductive wire, sensitive to a flow of the external magnetic field and able to generate an output signal corresponding to the external current.

Abstract: This antenna adaptor (840) is intended to be placed between an antenna (830) and a receiving channel (850). It includes: a first conductive wire (806) crossed by an external current (iext) corresponding to a signal delivered at the output of the antenna, the first wire generating in its vicinity an external magnetic field; and a magnetometric sensor (810), placed in the vicinity of the first conductive wire, sensitive to a flow of the external magnetic field and able to generate an output signal corresponding to the external current.

Abstract: This current detection device (300) is characterized in that it includes: a first conductor wire (306) in which flows an external current (iext) to be measured, the first wire generating in its vicinity an external magnetic field (Bext); a magnetometric sensor (310) placed in the vicinity of the first conductor wire, sensitive to a flux of the external magnetic field and able to generate a measurement signal corresponding to the external current.

Abstract: This sensor (10) includes a magnetic sensor (12) generating a response signal (V) when it is immersed in an external magnetic field (Bext) generating an external flux (?ext) through said sensor. This sensor includes: a control circuit (14) taking as an input the response signal of the sensor and generating at the output a feedback current (iCR); and a conductive wire (16) positioned in the vicinity of the sensor and connected to the output of the control circuit, the wire being crossed by the feedback current, the circuit and the conductive wire being such that a feedback magnetic field (BCR) is generated, the flux of which through the sensor substantially compensates, at each instant, for the external flux, an output signal of the sensor being formed by the feedback current.