3-Lesson_Notes_Lecture26_ee205 - EE 205 Dr A Zidouri...

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EE 205 Dr. A. Zidouri - 1 - Electric Circuits II Frequency Selective Circuits (Filters) Low Pass Filter Lecture #26
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EE 205 Dr. A. Zidouri - 2 - The material to be covered in this lecture is as follows: o Introduction to the Low Pass filter o The Series RL Circuit- Qualitative Analysis o Defining The Cutoff Frequency o The Series RL Circuit- Quantitative Analysis After finishing this lecture you should be able to: ¾ Understand the Behavior of Low-Pass Filters ¾ Understand the cutoff frequency. ¾ Relate cutoff frequency to component values ¾ Analyze Qualitatively And Quantitatively A Low-Pass Filter ¾ Design A Simple Low-Pass Filter
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EE 205 Dr. A. Zidouri - 3 - Introduction to Low Pass Filter Filters that will be considered here and in following lectures are passive filters. We will examine in this and next lecture two circuits that behave as low-pass filters Fig. 36-1 o Series RL Circuit o Series RC Circuit Discover what characteristics of these circuits determine the cutoff frequency. Note across which element the output signal is taken for the above two circuits
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