Concept explainers
(a)
The base and the collector current in each of the transistor. Also, the power dissipation in the gate.
(a)
Answer to Problem 17.12EP
The currents in the transistors are,
Explanation of Solution
Calculation:
The given diagram is shown in Figure 1
The expression to determine the value of the voltage
Substitute
The expression to determine the value of the current
Substitute
The conversion from
The conversion from
The second transistor and the output transistor are in cut off region and the current in the circuit are given by,
The expression for the value of the collector current and the base current of the output transistor is given by,
The expression for the base and the collector current of the third and the fourth transistor are given by,
The expression for the power dissipated in the circuit is given by,
Substitute
Conclusion:
Therefore, the currents in the transistors are,
(b)
The base and the collector current in each of the transistor. Also, the power dissipation in the gate.
(b)
Answer to Problem 17.12EP
The currents in the transistors are,
Explanation of Solution
Calculation:
The expression to determine the value of the voltage
Substitute
The expression for the voltage
Substitute
The expression to determine the value of the current
Substitute
The expression to determine the value of the current
Substitute
The conversion from
The conversion from
The expression for the base current of the second transistor is given by,
Substitute
The expression for the collector current of the second transistor is given by,
Substitute
The fifth transistor is in the cut off region and the current in the circuit are given by,
The expression for the value of the collector current of output transistor is given by,
Substitute
The expression for the base and the collector current of the third and the fourth transistor are given by,
The expression for the power dissipated in the circuit is given by,
Substitute
The conversion from
The conversion from
Conclusion:
Therefore, the currents in the transistors are,
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Chapter 17 Solutions
Microelectronics: Circuit Analysis and Design
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