Phone ringing warner

Published:2011/6/8 10:43:00 Author:Lena | Keyword: Phone, ringing, warner | From:SeekIC

Phone ringing warner can cut-off music power supply which is playing now when a phone calling in ,to avoid bobbling phone. It consists of transmitter and receiver two parts. The transmitter circuit is shown in figure(a), the receiver circuit is shown in figure(b).



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