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mogwai · 10-15-2005, 09:52 PM

Does your input signal, vref, and the op amp have a common ground?

When the voltage is higher on the - input than on the + input the output should be low.

10-15-2005, 09:52 PM	#36
mogwai Cooling Neophyte Join Date: Jun 2003 Location: Miami Posts: 23	Does your input signal, vref, and the op amp have a common ground? When the voltage is higher on the - input than on the + input the output should be low.