Chapter 11 Differential Amplifier Circuits
The input voltage represented by common-mode voltage and differential voltage is shown in Fig. 11.2. Figure 11.2: Small differential and common-mode inputs of a differential amplifier Let V out1 be the output voltage due to input voltage V in1 and V out2 be the output voltage due to V in2. The differential-mode output voltage V out(d) be defined as
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