Concept explainers
(a)
The design parameter for the circuit.
(a)
Answer to Problem D16.11P
The required value of the width to length ratio of the driver is
Explanation of Solution
Calculation:
The given diagram is shown in Figure 1
The expression to determine the power dissipated in the circuit is given by,
Substitute
The expression to determine the value of the drain current is given by,
Substitute
The expression to determine the value of the width to length ratio of the driver and the load transistor is given by,
Substitute
The expression for the ratio of the width to length ratio of driver to transistor is given by,
Substitute
Conclusion:
Therefore, the required value of the width to length ratio of the driver is
(b)
The transition for the driver and the load transistor.
(b)
Answer to Problem D16.11P
The value of the input transition point or the load is
Explanation of Solution
Calculation:
For load.
The expression to determine the value of the output transition point is given by,
Substitute
The expression to determine the input transition point is given by,
Substitute
For driver.
The expression to determine the input transition point is given by,
Substitute
The expression to determine the value of the output transition point is given by,
Substitute
Conclusion:
Therefore, the value of the input transition point or the load is
(c)
The value of maximum power dissipation in the inverter and the output voltage for the given input.
(c)
Answer to Problem D16.11P
The value of the output voltage is
Explanation of Solution
Calculation:
The power dissipation is same even if the width to length ratio of the driver is doubled and is given by,
The expression to determine the value of the drain current is given by,
Substitute
The expression for the width to length ratio of the driver is given by,
Substitute
The expression for the ratio of the width to length ratio of driver to transistor is given by,
Substitute
The expression to determine the value of the output voltage is given by,
Substitute
Conclusion:
Therefore, the value of the output voltage is
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Chapter 16 Solutions
MICROELECT. CIRCUIT ANALYSIS&DESIGN (LL)
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