A device, comprising: an input signal input configured to receive an input signal; a local oscillator, LO, signal input configured to receive an LO signal; a first mixing component configured to receive the input signal and LO signal and translate a frequency of the input signal based on the LO signal; a second mixing component configured to receive the LO signal and a leakage signal of the local oscillator, and further to translate a frequency of the leakage signal to baseband; a coupling component configured to allow the leakage signal to pass from the first mixing component to the second mixing component; and a signal output configured to provide a measured value corresponding to the leakage signal; the device characterized by further comprising: a pulsing signal component configured to provide a timed pulse; the second mixing component further configured to receive the timed pulse; a switch positioned between the input signal input and the first mixing component and configured to disconnect the input signal input from the first mixing component at a certain time interval under control of the pulsing signal component to provide a discontinuous sampling of the leakage signal; wherein the leakage signal is measured during the certain time interval when the input signal input is disconnected from the first mixing component. an input signal input configured to receive an input signal; a local oscillator, LO, signal input configured to receive an LO signal; a first mixing component configured to receive the input signal and LO signal and translate a frequency of the input signal based on the LO signal; a second mixing component configured to receive the LO signal and a leakage signal of the local oscillator, and further to translate a frequency of the leakage signal to baseband; a coupling component configured to allow the leakage signal to pass from the first mixing component to the second mixing component; and a signal output configured to provide a measured value corresponding to the leakage signal; the device characterized by further comprising: a pulsing signal component configured to provide a timed pulse; the second mixing component further configured to receive the timed pulse; a switch positioned between the input signal input and the first mixing component and configured to disconnect the input signal input from the first mixing component at a certain time interval under control of the pulsing signal component to provide a discontinuous sampling of the leakage signal; wherein the leakage signal is measured during the certain time interval when the input signal input is disconnected from the first mixing component. a pulsing signal component configured to provide a timed pulse; the second mixing component further configured to receive the timed pulse; a switch positioned between the input signal input and the first mixing component and configured to disconnect the input signal input from the first mixing component at a certain time interval under control of the pulsing signal component to provide a discontinuous sampling of the leakage signal; wherein the leakage signal is measured during the certain time interval when the input signal input is disconnected from the first mixing component.