That is the purpose of the op-amp/buffer as in the figure below - the DAC provides the Vin. The gain is changed by altering the values of the feedback resistor pair R1, R2. Gain = (R1+R2)/R2.
Re: 12bit Power Supply
That is the purpose of the op-amp/buffer as in the figure below - the DAC provides the Vin. The gain is changed by altering the values of the feedback resistor pair R1, R2. Gain = (R1+R2)/R2.
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