
Concept explainers
The circuit parameters for the differential amplifier shown in Figure 11.2 are
a.

The collector voltages, collector to emitter voltages and the emitter voltage for the given input values of a differential amplifier.
Answer to Problem 11.1EP
Explanation of Solution
Given Information:
The given values are:
The given circuit is shown below.
Calculation:
Voltage at emitter of each transistor
Assume transistors are matched. Then,
Also assume that the bias currents are negligible. Then,
Now
Then,
Similarly,
b.

The collector voltages, collector to emitter voltages and the emitter voltage for the given values of a differential amplifier.
Answer to Problem 11.1EP
Explanation of Solution
Given Information:
The given values are:
The given circuit is shown below.
Calculation:
Voltage at emitter of each transistor
Assume transistors are matched. Then,
Also assume the bias currents are negligible. Then,
Now
Then,
Similarly,
c.

The collector voltages, collector to emitter voltages and the emitter voltage for the given values of differential amplifier.
Answer to Problem 11.1EP
Explanation of Solution
Given Information:
The given values are:
The given circuit is shown below.
Calculation:
Voltage at emitter of each transistor
Assume transistors are matched. Then,
Also assume the bias currents are negligible. Then,
Now
Then,
Similarly,
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Chapter 11 Solutions
Microelectronics: Circuit Analysis and Design
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