A.
Output voltage due to input bias current and worst case output voltage.
A.
Answer to Problem 14.50P
Output voltage due to input bias current is
Explanation of Solution
Given:
The given circuit is:
Input bias current
Input offset current
Let the general circuit with input bias currents
Now, using superposition determine
For
The output voltage due to
For
Since,
The output voltage due to
So, the vet output voltage due to both
If
So, the output voltage due to bias current
Now putting the values,
Now, for worst case output
As,
And
Adding (5) and (6)
From (5)
For
For
Assume
For the given circuit
Putting the values in (3)
So, including the effect of input offset current, the worst case output voltage is
B.
Output voltage due to input bias current and worst case output voltage.
B.
Answer to Problem 14.50P
Output voltage due to input bias current is
Explanation of Solution
Given:
The given circuit is:
Input bias current
Input offset current
Considering equation 4.
Now, for worst case output voltage
Assume
For the given circuit
Putting the values in (3)
So, including the effect of input offset current, the worst case output voltage is
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Chapter 14 Solutions
Microelectronics Circuit Analysis and Design
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