(d)

Figure $20

Name: (d) Figure $20 < 1$ -Refer to Figure 20-1.W hich of these circuits is known as an instrumentation amplifier? A)(a) B)(b) C)(c) D)(d)
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Question

(d)

Figure $20 < 1$

-Refer to Figure 20-1.W hich of these circuits is known as an instrumentation amplifier?
A)(a) 
B)(b) 
C)(c) 
D)(d)

Quizplus · Accepted Answer

The instrumentation amplifier is a high-gain differential amplifier with a very high input impedance and a very low output impedance. It is used to amplify small signals from sensors and other low-level sources. The circuit in (a) is an instrumentation amplifier.

(D) Figure 20<120 < 120<1 -Refer to Figure 20-1

(D)

Figure $20 < 1$ -Refer to Figure 20-1