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12.27 Find H(ja) if its magnitude characteristic is shown in Fig. P12.27. HI 40 dB +20 dB/dec Figure P12.27 10 -40 dB/dec 80 120 -20 dB/deo w (rad/s) Figu 12.31 T fill

12.27 Find H(ja) if its magnitude characteristic is shown in Fig. P12.27. HI 40 dB +20 dB/dec Figure P12.27 10 -40 dB/dec 80 120 -20 dB/deo w (rad/s) Figu 12.31 T fill

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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I only need help with problem 12.27.Thank you. 

658 CHAPTER 12 VARIABLE-FREQUENCY NETWORK PERFORMANCE 12.26 Sketch the magnitude characteristic of the Bode plot for 12.30 Determine H(jw) from the magnitude characteristic of the transfer function the Bode plot shown in Fig. P12.30. THE A 12.27 Find H(ja) if its magnitude characteristic is shown in Ing. P12.27. 40 dB H(jw) Figure P12.27 20 dB +20 dB/dec +6.4(jw) (jw + 1)(-w² + 8jw + 64) Figure P12.28 0 dB 1 10 12.28 Determine H(fo) from the magnitude characteristic shown in Fig. P12,28. 0.25 5 T -20 dB/deo 0.1 -20 dB/dec -40 dB/deo 1 1 80 120 12.29 Determine H(jo) from the magnitude characteristic of the Bode plot shown in Fig. P12.29. -40 dB/dec 50 I -20 dB/deo -20 dB/deo 5 50 -20 dB/dec w (rad/s) -40 dB/deo log w logo 0 dB -40 dB/dea 0,2 HI 10 40 dB Figure P12.30 12.31 The magnitude characteristic of a band-elimination. filter is shown in Fig. P12.31. Determine H(jw). -20 dB/dec DEI 0 dB +20 38/deo 4 1 1 1 -20 dB/deo I 20 Figure P12.31 12.32 Given the magnitude characteristio in Fig. P12,32, find H(jw). +20 dB/deo 100 1000 10,000 1 1 I I 1 4 10 20 100 60 -20 dB/deo I -60 dB/dec 0,4 50 +20 dB/doo Figure P12.32 12.33 Find H(jw) if its magnitude characteristic is shown in Fig. P12.33. 600 w (rad/s) 400 1000 -40 dB/deo -40 dB/dec w (rad/s) -20 dB/deo w (rad/s)
Transcribed Image Text:658 CHAPTER 12 VARIABLE-FREQUENCY NETWORK PERFORMANCE 12.26 Sketch the magnitude characteristic of the Bode plot for 12.30 Determine H(jw) from the magnitude characteristic of the transfer function the Bode plot shown in Fig. P12.30. THE A 12.27 Find H(ja) if its magnitude characteristic is shown in Ing. P12.27. 40 dB H(jw) Figure P12.27 20 dB +20 dB/dec +6.4(jw) (jw + 1)(-w² + 8jw + 64) Figure P12.28 0 dB 1 10 12.28 Determine H(fo) from the magnitude characteristic shown in Fig. P12,28. 0.25 5 T -20 dB/deo 0.1 -20 dB/dec -40 dB/deo 1 1 80 120 12.29 Determine H(jo) from the magnitude characteristic of the Bode plot shown in Fig. P12.29. -40 dB/dec 50 I -20 dB/deo -20 dB/deo 5 50 -20 dB/dec w (rad/s) -40 dB/deo log w logo 0 dB -40 dB/dea 0,2 HI 10 40 dB Figure P12.30 12.31 The magnitude characteristic of a band-elimination. filter is shown in Fig. P12.31. Determine H(jw). -20 dB/dec DEI 0 dB +20 38/deo 4 1 1 1 -20 dB/deo I 20 Figure P12.31 12.32 Given the magnitude characteristio in Fig. P12,32, find H(jw). +20 dB/deo 100 1000 10,000 1 1 I I 1 4 10 20 100 60 -20 dB/deo I -60 dB/dec 0,4 50 +20 dB/doo Figure P12.32 12.33 Find H(jw) if its magnitude characteristic is shown in Fig. P12.33. 600 w (rad/s) 400 1000 -40 dB/deo -40 dB/dec w (rad/s) -20 dB/deo w (rad/s)
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