What approximations are valid for the voltages and currents shown in the figure of an ideal operational amplifier. What conditions must be satisfied for these approximations?
What approximations are valid for the voltages and currents shown in the figure of an ideal operational amplifier. What conditions must be satisfied for these approximations?
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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What approximations are valid for the voltages and currents shown in the figure of an ideal operational amplifier. What conditions must be satisfied for these approximations?
Transcribed Image Text:The image presents a diagram of an operational amplifier (op-amp) model. The op-amp is depicted as a triangle with two input terminals and one output terminal.
**Diagram Details:**
1. **Inputs:**
- There are two terminals on the left side of the triangle.
- The upper terminal is labeled with a plus sign (+) and is marked as \(i_p\) (input current).
- The lower terminal is labeled with a minus sign (−) and is marked as \(i_n\) (input current).
2. **Output:**
- A line extends from the right side of the triangle, representing the output.
- The output is labeled as \(v_o\) (output voltage).
**Figure Label:**
- The diagram is labeled as "Figure P8.3."
This diagram is typically used in electronics to illustrate how an op-amp works, showing the differential input (positive and negative terminals) and the single output.
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