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Figure 1 shows an active low-pass filter. As an engineer, you are expected to solve several concems, including 0.22 µF 0.22 µF 4.7 kl 6.8 kn 4.7 kN 6.8 kn 0.1 pF out R 1.0 kl C4 0.1 FI R- 6.8 ka R4 6.8 ka Rg 5.6 kn Figure 1 (a) Detemine the critical frequency. Then, without changing the response curve, adjust the component values in the filter to make it an equal value filter. Select C= 0.22 µF for both stages. (b) Convert the filter to a high-pass filter with the same critical frequency and response characteristic. (c) Make the necessary circuit modification to reduce by half the critical frequency in (a).

Figure 1 shows an active low-pass filter. As an engineer, you are expected to solve several concems, including 0.22 µF 0.22 µF 4.7 kl 6.8 kn 4.7 kN 6.8 kn 0.1 pF out R 1.0 kl C4 0.1 FI R- 6.8 ka R4 6.8 ka Rg 5.6 kn Figure 1 (a) Detemine the critical frequency. Then, without changing the response curve, adjust the component values in the filter to make it an equal value filter. Select C= 0.22 µF for both stages. (b) Convert the filter to a high-pass filter with the same critical frequency and response characteristic. (c) Make the necessary circuit modification to reduce by half the critical frequency in (a).

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Question 1 Figure 1 shows an active low-pass filter. As an engineer, you are expected to solve several concems, including: 0.22 uF Rs 0.22 µF 4.7 ka 6.8 kn 0.1 µF I 4.7 kN 6.8 kn Vout Rs 1.0 kfl 0.1 pFI R- '6.8 kQ R4 6.8 ka Rg 5.6 kn Figure 1 Determine the critical frequency. Then, without changing the response curve, adjust the component values in the filter to make it an equal value filter. Select C = 0.22 µF for both stages. (b) Convert the filter to a high-pass filter with the same critical frequency and response characteristic. (c) Make the necessary circuit modification to reduce by half the critical frequency in (a). (d) For the filter in Question 1(c), how would you increase the critical frequency and increase the gain? (e) Calculate all related circuit parameters for a Butterworth Sellen-key low-pass filter with a cut-off frequency, f. = 10 kHz and capacitor, C= 0.01 µF. Assume equal C value for all RC circuit, unity gain and M =2.
Transcribed Image Text:Question 1 Figure 1 shows an active low-pass filter. As an engineer, you are expected to solve several concems, including: 0.22 uF Rs 0.22 µF 4.7 ka 6.8 kn 0.1 µF I 4.7 kN 6.8 kn Vout Rs 1.0 kfl 0.1 pFI R- '6.8 kQ R4 6.8 ka Rg 5.6 kn Figure 1 Determine the critical frequency. Then, without changing the response curve, adjust the component values in the filter to make it an equal value filter. Select C = 0.22 µF for both stages. (b) Convert the filter to a high-pass filter with the same critical frequency and response characteristic. (c) Make the necessary circuit modification to reduce by half the critical frequency in (a). (d) For the filter in Question 1(c), how would you increase the critical frequency and increase the gain? (e) Calculate all related circuit parameters for a Butterworth Sellen-key low-pass filter with a cut-off frequency, f. = 10 kHz and capacitor, C= 0.01 µF. Assume equal C value for all RC circuit, unity gain and M =2.
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