For the class−AB output stage in Figure 8.36, the parameters are:
(a)
The value of
Answer to Problem 8.49P
The value of the
Explanation of Solution
Calculation:
The given diagram is shown in Figure 1
The conversion from
The conversion from
The expression for the value of voltage
Substitute
The expression for the value of the voltage
The expression for the value of the voltage
The expression for the value of the voltage
The expression for the value of
The expression for the value of
The expression for the value of the voltage
Substitute
Substitute
Substitute
Substitute
Substitute
Substitute
Substitute
Substitute
Substitute
Conclusion:
Therefore, the value of the current
(b)
The value of the quiescent collector current in each transistor and the value of the collector quiescent current and the instantaneous power dissipated in
Answer to Problem 8.49P
The is
Explanation of Solution
Calculation:
The expression for the value of maximum output voltage is given by,
Substitute
The expression for the value of the current delivered to the load is given by,
Substitute
Apply KCL at the output node.
Substitute
The expression for the value of the current
Substitute
The expression for the value of the current
Substitute
The expression for the value of the voltage
Substitute
The expression for the value of the current
Substitute
The expression for the value of the current
Substitute
The expression for the value of power dissipated in the transistor
Substitute
The expression for the value of power dissipated in the transistor
Substitute
Conclusion:
Therefore, the value of the current
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Chapter 8 Solutions
Microelectronics: Circuit Analysis and Design
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