The filter as shown is designed with C1 = C2 = 0.02 μF, R1 = 2 kΩ, R3 = 2 kΩ,and R2 = 82 kΩ. What are the values of fo and Q? R2R1C2R2R3R3Uth = UR¡ + R3Rih =R¡R3R1 + R3(a)(b)Figure 12.9 (a) Band-pass filter using inverting op amp configuration; (b) simplified band-pass filter circuit.

Given data: The Resistance R1=2 KΩ The Resistance R2=82 KΩ The Resistance R3=2 KΩ The Capacitance…

Answered: R2 R1 C2 R2 R3 R3 Uth = U R¡ + R3 Rih =…

R2 R1 C2 R2 R3 R3 Uth = U R¡ + R3 Rih = R¡R3 R1 + R3 (a) (b) Figure 12.9 (a) Band-pass filter using inverting op amp configuration; (b) simplified band-pass filter circuit.

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

Filter

A filter is a device or process which removes some of the unwanted features or components like frequencies from a signal in signal processing. The feature of filters is the complete or partial suppression of some part of the signal, and filtering is a class of signal processing. This most often means removing some frequency bands or some frequencies. In the frequency domain, the filters do not exclusively act, especially in the image processing field many other targets for filtering exist. Without having to act in the frequency domain, the correlations can be removed for certain frequency components and not for others. The filters are widely used in electronics and telecommunication, in television, radio, radar, audio recording, music synthesis, control systems, computer graphics, and image processing.

Question

The filter as shown is designed with C₁ = C₂ = 0.02 μF, R₁ = 2 kΩ, R₃ = 2 kΩ,
and R₂ = 82 kΩ. What are the values of f_o and Q?

R2
R1
C2
R2
R3
R3
Uth = U
R¡ + R3
Rih =
R¡R3
R1 + R3
(a)
(b)
Figure 12.9 (a) Band-pass filter using inverting op amp configuration; (b) simplified band-pass filter circuit.

Expert Solution

Step 1

Given data:

The Resistance R₁=2 KΩ

The Resistance R₂=82 KΩ

The Resistance R₃=2 KΩ

The Capacitance C₁=0.02 µF

The Capacitance C₂=0.02 µF

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