1. (a)Find Ad and Açm for the difference amplifier circuit shown in Fig. 1. (b) If the op amp is specified to operate properly as long as the common-mode voltage at its positive and negative inputs falls in the range +/- 2.5V, what is the corresponding limitation on the range of the input common-mode signal vjem? (This is known as the common-mode range of the differential amplifier)

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1. (a)Find Ad and Acm for the difference amplifier cireuit shown in Fig. 1. (b) If the op amp is
specified to operate properly as long as the common-mode voltage at its positive and negative
inputs falls in the range +/- 2.5V, what is the corresponding limitation on the range of the input
common-mode signal viem? (This is known as the common-mode range of the differential
amplifier)
100 k
100 k2
A
B
100 k2
100 k
Figure 1.
Transcribed Image Text:1. (a)Find Ad and Acm for the difference amplifier cireuit shown in Fig. 1. (b) If the op amp is specified to operate properly as long as the common-mode voltage at its positive and negative inputs falls in the range +/- 2.5V, what is the corresponding limitation on the range of the input common-mode signal viem? (This is known as the common-mode range of the differential amplifier) 100 k 100 k2 A B 100 k2 100 k Figure 1.
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