A television receiver includes a single tuner for tuning both television channels and broadcast FM stations. The tuner is operated at a fixed gain setting in FM reception mode. The tuner serves as the first conversion stage of a double conversion FM receiver, wherein the mixer of an FM radio integrated...http://www.google.com/patents/US5142369?utm_source=gb-gplus-sharePatent US5142369 - First IF filter with fixed second half-IF trap for use in an FM radio in a television reciever
