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Homework 28 ECE201 Linear Circuit Analysis Due in class Monday November 7 2011 1 Consider the opamp circuit below a Find the Thevenin resistance RTh and open circuit voltage Voc seen by Vout b Find the Thevenin resistance RTh and open circuit voltage Voc seen by the source V1 c Find the Thevenin resistance RTh and open circuit voltage Voc seen by the source V2 d If R1 1 R2 2 R3 3 Rf 4 V1 1V and V2 1V find the short circuit current isc across Vout and the opamp current ioa 2 Let R 1 in the circuit below a What is Vin b What is Vout c What is the gain Vout Vin d What is i5 e What is the Thevenin resistance RTh open circuit voltage Voc and short circuit isc seen by the terminals a and b
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