Concept explainers
(a)
To show: The resistance of the NMOS device is equal to
(a)
Explanation of Solution
Calculation:
Consider the case when the input voltage is,
The expression for the conduction parameter of the NMOS transistor is given by,
The expression for the drain current of the NMOS transistor when the transistor is biased in the non-saturation is given by,
The expression to determine the resistance of the NMOS transistor is given by,
Substitute
Substitute
The expression for the current in the NMOS transistor is given by,
The expression for the conduction parameter of the NMOS transistor is given by,
The expression for the resistance of the PMOS device is given by,
Substitute
Substitute
Substitute
Conclusion:
Therefore, the resistance of the NMOS device is
(b)
The value of the maximum current that the NMOS transistor can sink and the current that the PMOS can source.
(b)
Answer to Problem 16.43P
The maximum value of the current of that NMOS device can sink is
Explanation of Solution
Calculation:
The expression for the resistance off the NMOS transistor is given by,
Substitute
The conversion from
The conversion from
The conversion from
The expression to determine the value of the current through the NMOS is given by,
Substitute
The expression for the resistance of the PMOS transistor is given by,
Substitute
The expression for the maximum value of the current through the PMOS transistor is given by,
Substitute
Conclusion:
Therefore, the maximum value of the current of that NMOS device can sink is
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Chapter 16 Solutions
Microelectronics: Circuit Analysis and Design
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