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Synchronizing SG3524. Help!
Synchronizing SG3524. Help!
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Old 27th May 2006, 06:06 PM   #1
darw82 is offline darw82
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Default Synchronizing SG3524. Help!

I want to synchronizing 3x SG3524.
The problem is one of this PWM operating in double ended.

Here is my idea,
On double ended PWM, the frequency (Osc out -> pin3) is divided by 2, using 74HCT74.
Now the frequency is solved. But there is another problem, the duty cycle of this freq is 50%.

If I feed it directly to another SG3524. Synchronization will not happen. Because the pulse is to width. I need at least 10%-15% duty cycle.


How to solve this?

Thanks
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