What do you estimate the input offset voltage to be

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Reference no: EM131226875

A non-inverting amplifier using resistors of 10kΩ and IM11 to achieve a high gain is found to have an output offset voltage of +1.8V with input grounded. When a 10kΩ resistor is used in series with the positive input (and grounded), the output offset reduces to +0.6V. Estimate the nominal gain of the amplifier, and the input-bias current. What can you say about the input offset voltage and offset current? If the value of all 3 resistors is reduced by a factor of 10, the output offset reduces to 0.4V. What do you estimate the input offset voltage to be? Now, if the 10 kΩ resistor connected to the amplifier's negative input terminal is capacitor-coupled to ground, what does the output offset voltage become? What must you now do to compensate? What does the output offset voltage now become?

Reference no: EM131226875

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