papayaprofessorLv10

12 Nov 2022

Question 3 [20 marks]

(a) An instrumentation amplifier shown in Figure 6 is an amplifier of lou-level signals used in process control or measurement applications and commercially available in single-package units:

 

    (ii) Assume = 10k and = . If R_g is a runable resistor with resistance ranging from 50 to 50k. What is the range of variable gain?