PWM using astable multivibrator IC concept

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ss.mvelase

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I want to control 12 Vdc motor under 1A using PWM and I need to use astable multivibrator concept please help.
 

Dear ss.mvelase
Hi
it is simple to control your motor with PWM . but why with astable multivibrator ? i think it is obsolete . you have better ways , e.g using a simple 555 PWM generator or some other things .
Best Wishes
Goldsmith
 

I believe the 555 oscillator is considered an astable multivibrator, so it should satisfy the assignment. Here is a nice link to a simple circuit for PWM with a 555.

**broken link removed**

John
 
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