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HW 27 - ECE201 - Due Nov 4 2011

HW 27 - ECE201 - Due Nov 4 2011 - c What is V b in terms of...

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Homework 27 ECE201: Linear Circuit Analysis Due in class: Friday, November 4, 2011 1. Given the sources and arbitrary values for the resistances in the ideal opamp circuit shown below, determine the power absorbed by the 100 load in watts.
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2. The circuit below is an instrumentation amplifier. It eliminates the need for input resistance (or impedance) matching, which makes the circuit suitable for testing and measurement. Determine the following. a. What is i gain in terms of V 1 , V 2 , and R gain ? b. What is V a in terms of the sources and resistances?
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Unformatted text preview: c. What is V b in terms of the sources and resistances? d. What is V 3 in terms of the sources and resistances? e. What is the gain of the opamp, V o / ( V 2 – V 1 ), in terms of the resistances? f. If R 2 = R 3 and R 1 = 4 , what must be the value of R gain in ohms for the gain to be 2? g. If the gain is 2, R 2 = R 3 = 2 , R 1 = 4 V 2 = 6V, and V 1 = 3V, then what is V o ? h. If the gain is 2, R 2 = R 3 = 2 , R 1 = 4 V 2 = 6V, and V 1 = 3V, then what is i oa ?...
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HW 27 - ECE201 - Due Nov 4 2011 - c What is V b in terms of...

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