local oscillator 385 a second mixer 360 a amplifier 370 and a second analog to digital a d converter 380 in fig3 an output of the antenna 305 is coupled to an input of the first filter 310 and an output of the first filter 310 is coupled to an input of the first amplifier 320 an output of the first amplifier 320 is coupled to an input of the first mixer 330 and to an input of the second mixer 360 additionally an output of the first mixer 330 is coupled to an input of the amplifier 340 and an output of the amplifier 340 is coupled to an input of the a d converter 350 an output of the analog to digital converter 350 serves as a first output i of the receiver 300 additionally an output of the second mixer 360 is coupled to an input of the amplifier 370 and an output of the amplifier 370 is coupled to an input of second a d converter 380 an output of the analog to digital converter 380 serves as a second output q of the receiver 300 an output of the local oscillator 385 is coupled to an input.