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Signals and Networks (SEE 2043) Lecture #19 Topics covered Exercises -Bode Plot for Filters

Signals and Networks (SEE 2043) Lecture #19 Topics covered Exercises -Bode Plot for Filters. Next Task…. We have: Understand the Bode Plot (real poles and zeros, complex poles and zeros) Understand the filter type (LPF, HPF and BPF) and order of the filter. Our task now is to:.

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Signals and Networks (SEE 2043) Lecture #19 Topics covered Exercises -Bode Plot for Filters

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  1. Signals and Networks • (SEE 2043) • Lecture #19 • Topics covered • Exercises -Bode Plot for Filters

  2. Next Task…. • We have: • Understand the Bode Plot (real poles and zeros, complex poles and zeros) • Understand the filter type (LPF, HPF and BPF) and order of the filter. Our task now is to: • Obtain the transfer function from the given electrical circuit and determine the filter type based on the sketched Bode Plot. • Obtain the Bode Plot of the given transfer function and determine the filter type

  3. R L Exercise #1 + V1(s) C Vo(s) + - - L=50 mH, R=8.75 Ω, C=8 mF. Compute the transfer function for the circuit and determine the type of filter based on the sketched Bode Plot. Determine the cutoff frequency. Ans: Low Pass Filter

  4. R L Exercise #2 - + Vo(s) V1(s) C + - L=50 mH, R=8.75 Ω, C=8 mF. Compute the transfer function for the circuit and determine the type of filter based on the sketched Bode Plot. Determine the cutoff frequency. Ans: High Pass Filter

  5. R L Exercise #3 + Vo(s) - V1(s) C + - L=50 mH, R=8.75 Ω, C=8 mF. Compute the transfer function for the circuit and determine the type of filter based on the sketched Bode Plot. Determine the cutoff frequency. Ans: Band Pass Filter

  6. Exercise #4 Given a transfer function as: Sketch the Bode Plot and determine the filter type. Exercise #5 Sketch the Bode Plot and determine the filter type. Exercise #6 Sketch the Bode Plot and determine the filter type.

  7. Next lecture • Please have preliminary reading on the following: • Design Techniques for Passive Filters

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