sourabh kulkarni Posted September 9, 2006 Report Share Posted September 9, 2006 sir,i'm doing project on the above subject.But i'm not exactlly getting the working and the applications of my assembly.Thats why i'm posting you this request.Myproject contains tone decoder ckt.I hope you will help me out and will not disappoint me. Quote Link to comment Share on other sites More sharing options...
audioguru Posted September 9, 2006 Report Share Posted September 9, 2006 Hi.Is this our project that you built?:http://www.electronics-lab.com/projects/motor_light/030/index.htmlIts receiver is missing a very important resistor which provides a DC reference voltage of 0V for the opamp's input. Quote Link to comment Share on other sites More sharing options...
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