Patent ID: 6771943
Filing Date: 2004-08-03
Classification: H03D

Abstract:
A receiver comprising:an input for receiving an antenna signal; an output for supplying an audio signal; first and second mixing means for mixing the antenna signal with a first and second oscillation signal forming an in-phase signal and a quadrature signal; filter means for filtering the in-phase and quadrature signals; demodulation means for demodulating the filtered quadrature signals; and an oscillator for supplying the first and second oscillation signal to the first and second mixing means, characterized in that the receiver further comprises: measuring means for measuring a level of disturbance at a first and second predetermined frequency distance from a desired frequency; comparing means for comparing the measured first and second levels of disturbance; choosing means for choosing one of the first and second frequencies having the lowest level of disturbance; and control means for controlling the oscillator.