Digital sine wave generator circuit

Published:2011/8/7 8:45:00 Author:nelly | Keyword: Digital, sine wave, generator | From:SeekIC

The picture shows the digital sine wave generator. It is composed of analog-digital converter (4018B) and a fixed filter (MAX29X). One part of the clock pulse, which inputs the CP, drives the filter MAX29X. The other part of the clock pulse is divided by the 10-digit counter (4018B), and then it is divided by the second counter. The output step wave will change to the smooth sine wave by R5 and C1, and then it is output by the filter. The output frequency of the circuit will change with the clock input, the relationship is fout=fin/l00。



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