The sawtooth wave signal generator of D/A converter (DAC08EQ)

Published:2011/6/15 21:59:00 Author:Borg | Keyword: sawtooth wave, D/A converter | From:SeekIC

In the figure is the sawtooth wave signal generator of D/A converter. This circuit consists of the crystal oscillating circuit, counter and D/A converter. The crystal oscillating circuit delivers the signal to the counter, and the counter counts the number from 0, by each number that is counted, the D/A converter outputs an analog voltage of 1 step. When the number reaches the maximum value, it comes back to 0, and the analog comes back to 0, then the output voltage is increasing gradually, by which a precise sawtooth wave can be got.



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