ECE 345 Lecture Notes - Lecture 9: Operational Amplifier
13 Nov 2017
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Document Summary
We also limit the output of the op amp to. Node voltage analysis: in this analysis technique we reduce the number of equations to be solved by making use of node voltages. Node voltages are measured relative to a common node (typically the ground node) with the positive reference mark at the node of interest and the negative reference mark at the ground node as shown in figure 1. The voltage across element k in the circuit is vk. Kvl equation can be written as: voltage, vk, can be written in terms of the node voltages vx and vy. or. 0 v y v y v x v k v x v k. The element voltage, vk, can be written in terms of the node voltages, vx and vy. The advantage of doing this can be seen for the circuit shown in figure 2 which contains seven circuit elements and 4 nodes (not including the ground node). va.
