a) Find the Thévenin equivalent circuit with respect to the output terminals a, b for the inverting amplifier of Fig. P5.45. The dc signal source has a value of 880 mV. The op amp has an input resistance of 500 K ? an output resistance of 2 K ? and an open-loop gain of 100,000.
b) What is the output resistance of the inverting amplifier?
c) What is the resistance (in ohms) seen by the signal source vs when the load at the terminals a, b is 330 ??
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