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 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 igain in terms of V1 V2 and Rgain b What is Va in terms of the sources and resistances c What is Vb in terms of the sources and resistances d What is V3 in terms of the sources and resistances e What is the gain of the opamp Vo V2 V1 in terms of the resistances f If R2 R3 and R1 4 what must be the value of Rgain in ohms for the gain to be 2 g If the gain is 2 R2 R3 2 R1 4 V2 6V and V1 3V then what is Vo h If the gain is 2 R2 R3 2 R1 4 V2 6V and V1 3V then what is ioa
View Full Document
Unlocking...