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quiz_sep_17_10 - ECE-342 Fall 2010 Sep 17 Quiz Name The...

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Unformatted text preview: ECE-342 Fall 2010, Sep 17 Quiz Name : The schematic below shows an amplifier designed to provide a high input impedance with a voltage gain of 100. 1. For the given op-amp bias current of IB = 0.1 µA, what output voltage results when the input is grounded? 2. Show how to modify the amplifier by adding a single “bias compensation resistor” to eliminate the effect of the op-amp bias current. Your modification should not change the signal gain, and should not significantly impact the input impedance of the amplifier. (Draw the schematic, including the connection of the input source vin (t).) ...
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