ElectricCircuitTheoryHW6Fa09

# ElectricCircuitTheoryHW6Fa09 - -1...

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Unformatted text preview: -1- R1R2R3R4VAαi1v1i1Electric Circuit Theory – Homework #6 – Fall 2009 Problem 1) – Practice Problem with Dependent Source For the circuit shown below, find…. (a) …the current i1 (b) …the open circuit value of v1(c) …the Thévenin resistance seen looking into terminals X-X’ Problem 2) The noninverting amplifier to the right is modified by the addition of R3connected from vOUTto v+. This circuit functions as a constant-current battery charger for VBB. (In other words, the circuit emulates a dc current source). a) Find an expression for i3. (Assume that negative feedback dominates the circuit). b) For VBB= 12 V, choose values for all resistors so that the battery is charged with a current of 100 mA. c) For the conditions of part (b) what is the power flow into the battery? d) How much energy will be put into the battery after 1 hour of charging? Problem 3) The maximum positive or negative output voltage amplitudes obtainable for a single op-amp is limited by its positive and negative saturation values (e.g., op-amp is limited by its positive and negative saturation values (e....
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• Spring '09
• Horenstein
• Jaguar Racing, Analog-to-digital converter, Digital-to-analog converter, Analog Circuits, R1 R1 R2, R2 R3 R4

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ElectricCircuitTheoryHW6Fa09 - -1...

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