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mono-stable trigger

SigmaDSP & SigmaStudio Jackie Jul 20, 2016 00:00 2 replies Original on forum ↗
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Jackie Question
Jul 20, 2016 00:00

Hello bob & all,

Please advise me a efficient way to design a mono-stable trigger in ADAU1701. Basically, the durance of ON state is about 0.5S. Thanks in advance!

BR,

Jackie

Audio Signal Processors

SigmaDSP Audio Processors

adau1701

KJBob Reply
Jul 20, 2016 00:00

Hello Jackie,

This circuit gives one half-second output pulse for each input pulse of any length:

The one-shot stretches the input pulse until reset by the timer.

Best regards,

Bob

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Jackie Reply
Jul 21, 2016 00:00

Haha, amazing! Very smart design! Thanks a lot!

Jackie