Telephone Voice Recorder (CD4511B, VCD4518B) Circuit Diagram

Published:2011/6/25 10:42:00 Author:Vicky | Keyword: Telephone Voice Recorder | From:SeekIC

Telephone voice recorder circuit is as shown in the picture. It is mainly used to record and display the numbers that the telephone is used in one day to help people get to know the usage situation of the telephone. The recorder is composed of two seven-segment Nixie tube, therefore the maximum recording number is up to 99. There is reset button in the circuit which can clear the records.



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