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741 Op-AMP help

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A simple RC lowpass filter starts its rolloff at 1/5th its cutoff frequency. So 6kHz x 5= 30kHz. It won't have much effect on the harmonics of 600Hz.
 
audioguru said:
A simple RC lowpass filter starts its rolloff at 1/5th its cutoff frequency. So 6kHz x 5= 30kHz. It won't have much effect on the harmonics of 600Hz.

Thank you for your help. With this info I can hopefully finish my AC motor control project. Personally I think I've gone way 2 far with this but than again, I learned something new doing it :)

Oh, and thanks for that CMOS IC suggestion, I was able to find variety of 40XX IC's that suite my needs so I won't be needing that blastted 741....
 
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