pulse width modulation

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stevenash23

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can u give me a schematic diagram for PWM??
 

Could you give us more detail ?

The answer can be so wide like the question.

+++
 

I already used it by :

>> firmware on PWM module microcontroler ( MICROCHIP ).
>> specific IC ( UNITRODE ).
>> operational amplifier, implementing a sinusoidal wave by a Resistor array.

So, there are a lot of ways to perform it.
If you post the target application, we can sugest the wright - or best - solution.

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