Patent ID: 7433417

Claim:
A receiver ( 1 , 49 , 51 , 52 , 54 ) with a signal path comprising the following elements: a tuning arrangement ( 49 ), a demodulator circuit ( 51 ) for supplying a stereo multiplex signal with a baseband stereo sum signal (L+R), a 19 kHz stereo pilot and a stereo difference signal (L−R) double-sideband amplitude-modulated on a blanked 38 kHz subcarrier, a sampling arrangement ( 52 ) for converting an analog signal into a time-discrete signal, and a stereo decoder ( 1 ) with a filter ( 2 , 4 , 7 , 8 , 9 ) and a phase-locked loop ( 80 ) comprising an oscillator ( 19 ), characterized in that filter operations can be performed in a complex range.