Hello,
With the rails at +/- voltages, I was always under the assumption that when the voltage value at the inverting input is greater that the voltage value of the non-inverting input of an opamp, the output would be a negative voltage!
OR
With the rails, Vcc to positive voltage and VEE is to ground, I was always under the assumption that when the voltage value at the inverting input is greater that the voltage value of the non-inverting input of an opamp, the output would be zero!
But in this particular circuit, the last assumption doesn't hold true. In reference to the circuit in attachment, why is it that the output is +1 VDC when the inverting input is greater that the non inverting input???
Please view schematic. Isn't va = 2.0VDC and vb = 1.5VDC??? Hence the output should be zero no?
I am using an lm324.
All help appreciated!
With the rails at +/- voltages, I was always under the assumption that when the voltage value at the inverting input is greater that the voltage value of the non-inverting input of an opamp, the output would be a negative voltage!
OR
With the rails, Vcc to positive voltage and VEE is to ground, I was always under the assumption that when the voltage value at the inverting input is greater that the voltage value of the non-inverting input of an opamp, the output would be zero!
But in this particular circuit, the last assumption doesn't hold true. In reference to the circuit in attachment, why is it that the output is +1 VDC when the inverting input is greater that the non inverting input???
Please view schematic. Isn't va = 2.0VDC and vb = 1.5VDC??? Hence the output should be zero no?
I am using an lm324.
All help appreciated!
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