PWM controller with op amp

135

02:03:10

The second op amp gives PWM output which duty cycle can be adjusted by adjusting the position of the potentiometer

published 8 years ago

LeButch

8 years ago

It kinda does nothing...

Klingonbaby

8 years ago

??????

byAllexandruProca

7 years ago

yup

dion_tantoni

7 years ago

It takes some time for the 1uF capacitor to get charged up to flip the value of the comparator. If you're viewing the voltage output, try to adjust the x axis so that it displays 20ms instead of really small value like 15us. You'll see the signal out a lot faster by doing so. I hope that will help

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