The ordinary difference amplifier for fixed-gain operation is shown in Fig. 5.81(a). It is simple and reliable unless gain is made variable. One way of providing gain adjustment without losing simplicity and accuracy is to use the circuit in Fig. 5.81(b). Another way is to use the circuit in Fig. 5.81(c). Show that:
 FIGURE 1.png)
 figure 2.png)
 figure 3.png)
 FIGURE 4.png)
 ANSWER.png)
 - LibreOffice Writer.png)
 - LibreOffice Writer.png)
 - LibreOffice Writer.png)
 - LibreOffice Writer.png)
You might also like to view...
Of the two polystyrene foam insulations, one foamed with air and the other foamed with HCFC gas, which one is made by the extrusion process and which one is made by the molding process?
What will be an ideal response?
Hardwoods are best suited for
a. siding c. construction purposes b. furniture manufacturing d. all answers are correct
How is a temperature-pressure relief valve on a hot-water boiler tested?
A) Jump the high limit and operate the burners until the pressure relief valve opens. B) Pull the lever and look for water at outlet of discharge pipe. C) Pressurize the boiler with nitrogen until the pressure relief valve opens. D) Pressure relief valves are optional, so testing is not required.
The pitch circle of a gear is 4.7 inches in diameter, and it has 12 teeth. What is the distance between teeth measured on the circumference of the pitch circle? Round to the nearest hundredth inch.
A. 1.14 B. 1.20 C. 1.23 D. 1.29