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MIT 6.002 Circuits and Electronics, Spring 2007
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OpenStudy (anonymous):
Hello, I'm pretty confused with the comparator circuit I designed. The (-) reference voltage is set to 2.5V in order to digitize a (+) input voltage ranging from 0 to 4V. However, what I get at the output of the op-amp is somewhat equal to the (+) input voltage rather than a signal which switches between 0 to 5V. I'm quite sure there is nothing wrong with the comparator. I suspect the problem lies on the input voltage which is sourced from another op-amp. But I can't really figure out what the problem is. Can anyone help?
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OpenStudy (ybarrap):
This comparator |dw:1396224153911:dw| Will produce this output |dw:1396224359785:dw| Make sure you don't have any feedback resistors in your loop from the output to the input.
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