Concept explainers
The output resistance of the 741 op-amp if
Answer to Problem 13.24P
The output resistance is
Explanation of Solution
Given:
Consider the 741 op-amp having bias voltage ±5 V
Calculation:
The resistance at
And the output resistance is defined as
Now for solving equation (1) we have
Assuming series resistance of
Where,
And
Where,
The collector current in
The reference current is.
The collector current in
Assuming
And from equation (7),
Now, the current
And the current
Now the resistance
The resistance
Now from the equation (5),
Now from equation (4),
From the equation (3),
Now from the equation (1),
Now from the equation (2),
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Chapter 13 Solutions
Microelectronics: Circuit Analysis and Design
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