Sensor for sensing an angular orientation of a magnet producing a magnetic field, said sensor comprising a sensing unit comprising - N ≥ 2 magnetic field sensing devices; - a scanning circuit for repeatedly, at a frequency f0, sequentially probing in a first preset order at least two of said N magnetic field sensing devices and concatenating signals outputted by the respective probed magnetic field sensing devices in reaction to said magnetic field for obtaining an analog signal referred to as first raw magnetic signal which is a signal comprising a frequency component of said frequency f0; - at least a first magnet-signal output for outputting said first raw magnetic signal; and - a reference output for outputting a reference signal which is a logic signal of said frequency f0 which is independent of said magnetic field; the sensor furthermore comprising - a first signal processing unit having an input and an output; - a phase detection unit having at least a first and a second input, for deriving phase differences between signals inputted to the phase detection unit, and for obtaining in dependence of said phase differences, and for outputting a signal referred to as output angle signal representative of an angle related to said angular orientation, said phase detection unit comprising at least a first unambiguous phase detecting circuit having two inputs being identical to said first and second input, respectively; wherein C1) said input of said first signal processing unit is coupled to said first magnet-signal output; C2) said output of said first signal processing unit is coupled to said first input of said phase detection unit; C3) said reference output is coupled to said second input of said phase detection unit; characterized in that the sensor furthermore comprises - a second signal processing unit which is identically constructed to the first signal processing unit; and in that - said phase detection unit comprises a third and a fourth input and a second unambiguous phase detecting circuit having two inputs being identical to said third and fourth input, respectively; and in that C4) said input of said second signal processing unit is coupled to an output of said sensing unit; C5) said output of said second signal processing unit is coupled to said third input of said phase detection unit; and in that the sensor, by making use of said second signal processing unit, provides for a compensation for undesired phase deviations occurring in said first signal not related processing unit which are phase deviations not related to said magnetic field. - N ≥ 2 magnetic field sensing devices; - a scanning circuit for repeatedly, at a frequency f0, sequentially probing in a first preset order at least two of said N magnetic field sensing devices and concatenating signals outputted by the respective probed magnetic field sensing devices in reaction to said magnetic field for obtaining an analog signal referred to as first raw magnetic signal which is a signal comprising a frequency component of said frequency f0; - at least a first magnet-signal output for outputting said first raw magnetic signal; and - a reference output for outputting a reference signal which is a logic signal of said frequency f0 which is independent of said magnetic field; - a first signal processing unit having an input and an output; - a phase detection unit having at least a first and a second input, for deriving phase differences between signals inputted to the phase detection unit, and for obtaining in dependence of said phase differences, and for outputting a signal referred to as output angle signal representative of an angle related to said angular orientation, said phase detection unit comprising at least a first unambiguous phase detecting circuit having two inputs being identical to said first and second input, respectively; C1) said input of said first signal processing unit is coupled to said first magnet-signal output; C2) said output of said first signal processing unit is coupled to said first input of said phase detection unit; C3) said reference output is coupled to said second input of said phase detection unit; - a second signal processing unit which is identically constructed to the first signal processing unit; - said phase detection unit comprises a third and a fourth input and a second unambiguous phase detecting circuit having two inputs being identical to said third and fourth input, respectively; C4) said input of said second signal processing unit is coupled to an output of said sensing unit; C5) said output of said second signal processing unit is coupled to said third input of said phase detection unit;