Sensor having - a circuit carrier, - a number of measurement inductances (20, 21, 22, 23, 24) which are applied to the circuit carrier, and - a reference inductance which is coupled to the measurement inductances (20, 21, 22, 23, 24), characterized by - a capacitance which is interconnected with the reference inductance to form a parallel resonant circuit, and - an electronic control unit (mC), wherein the electronic control unit (mC) is connected directly to the parallel resonant circuit and is configured to excite the parallel resonant circuit into oscillation at an excitation frequency that is derived from a clock of the electronic control unit, and wherein the electronic control unit (mC) is connected directly to each of the measurement inductances (20, 21, 22, 23, 24) and is configured to measure a value, which indicates a measurement variable, at the respective measurement inductance (20, 21, 22, 23, 24), - wherein the electronic control unit (mC) is configured - to determine measurement inductances (20, 21, 22, 23, 24) which are influenced by a measurement body, and subsequently - to determine a position of the measurement body based on measurements at said measurement inductances (20, 21, 22, 23, 24), - wherein the sensor has a plurality of measurement inductances (20, 21, 22, 23, 24), - wherein each measurement inductance has a magnet core associated therewith, - wherein the measurement inductances (20, 21, 22, 23, 24) are arranged along a path, - wherein the measurement inductances (20, 21, 22, 23, 24) are electrically connected in series, and - wherein the measurement inductances (20, 21, 22, 23, 24) have respective inductances which increase along the path in one direction. - a circuit carrier, - a number of measurement inductances (20, 21, 22, 23, 24) which are applied to the circuit carrier, and - a reference inductance which is coupled to the measurement inductances (20, 21, 22, 23, 24), characterized by - a capacitance which is interconnected with the reference inductance to form a parallel resonant circuit, and - an electronic control unit (mC), wherein the electronic control unit (mC) is connected directly to the parallel resonant circuit and is configured to excite the parallel resonant circuit into oscillation at an excitation frequency that is derived from a clock of the electronic control unit, and wherein the electronic control unit (mC) is connected directly to each of the measurement inductances (20, 21, 22, 23, 24) and is configured to measure a value, which indicates a measurement variable, at the respective measurement inductance (20, 21, 22, 23, 24), - wherein the electronic control unit (mC) is configured - to determine measurement inductances (20, 21, 22, 23, 24) which are influenced by a measurement body, and subsequently - to determine a position of the measurement body based on measurements at said measurement inductances (20, 21, 22, 23, 24), - wherein the sensor has a plurality of measurement inductances (20, 21, 22, 23, 24), - wherein each measurement inductance has a magnet core associated therewith, - wherein the measurement inductances (20, 21, 22, 23, 24) are arranged along a path, - wherein the measurement inductances (20, 21, 22, 23, 24) are electrically connected in series, and - wherein the measurement inductances (20, 21, 22, 23, 24) have respective inductances which increase along the path in one direction.