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Interfacing the analog signal to the F2812

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qaseemali

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f2812

Hi,

I am using the DSP to control the IGBT's of a fully controlled rectifier in H Bridge Config. I want to Isolate my DSP from the AC signal which is 110 VAC. I had used optoisolators before, but I eventually ended up burning (Literally Burning with flames) my DSP board.

I want to know my other options for isolation and whether using the Opto Isolators IS a practical choice or not.

I also want to know, how do I provide an analog signal to the ADC of the DSP.
For example I have two signals, both having different references, but the F2812 only has one ADCLO, or VREFLO pin that can be used as a reference, so how do I input both the signals to the ADC?

Regards
 

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