(57) [summary] [purpose] AF support - to reduce the noise generated in the blood, AF Sa - Mu in the blood - is shortened bets period, to provide a RDS receiver with less sound interruption feeling. [Configuration] Mu - with the door circuit 7, RDS information is configured to be received, and AF de in the RDS information - other the difference - that the switch to automatically switch the receiving station to the good office of the receiving state can be Rajiode - in Tashisutemu receiver, an analog switch 3 for delivering a detection output from the intermediate frequency / detection circuit 2 selectively to the next stage, the service - detected by To period in the analog switch 3 - Mu in the blood It was with another 13 - system microcomputer to shut off the output.
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