Determine the input and output impedances of the given amplifier. The op-amp datasheet gives: Zin = 2 Mohm, Zout = 75 ohm, A = 200000. Find the Closed-loop voltage gain. www OV 220 ΚΩ R₁ 10 ΚΩ out

Determine the input and output impedances of the given amplifier. The op-amp datasheet gives: Zin = 2 Mohm, Zout = 75 ohm, A = 200000. Find the Closed-loop voltage gain. www OV 220 ΚΩ R₁ 10 ΚΩ out

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter11: Thermostats, Pressure Switches, And Other Electric Control Devices

Section: Chapter Questions

Problem 23RQ

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Concept explainers

Power Amplifier

The power amplifier is an electronic amplifier designed to maximize the signal strength of a given input. The input signal strength is enhanced to a high enough level to drive output devices such as speakers, headphones, RF (Radio frequency) transmitters, etc. Unlike voltage / current amplifiers, the power amplifier is designed to drive core loads directly and is used as a storage block in the amplifier series.

Maximum Efficiency Criterion

In every field of engineering, there is a tremendous use of the machine and all those machines are equipped for their popular work efficiency so it very much important for operation engineers to monitor the efficiency of the machine, planning engineers to check out the efficiency of the machine before installing the machine and design engineers to design machine for higher efficiency than and then the utility will procure their products that will ultimately lead to profit and loss of the company. It indicates the importance of efficiency right from the initial stage as manufacturing units, intermediate stage as planning coordinators, and end-users stage as a utility.

Question

Problem
• Determine the input and output impedances
of the given amplifier. The op-amp datasheet
gives: Zin = 2 Mohm, Zout = 75 ohm, A =
200000.
4
Find the Closed-loop voltage gain.
www
R
OV
220 ΚΩ
R₁
10 ΚΩ
out

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