Oscillator design using a microcontroller

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rahul.6sept

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Dear all,

I want to design an oscillator using a pic 32-bit microcontroller. Now microcontroller does have inbuilt oscillator. hence designing oscillator using mc , is it worth?

rahul
 

Using the internal oscillator of a uC in the way you are thinking is not a great idea, since you will get very limited range of frequencies.

You should instead investigate oscillators based on DDS concept. (Direct Digital Synthesis)
Here is a good introduction to this.

And here is a **broken link removed**

Once you understand the basic concepts, you can design your own.
 
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