EE40 Lecture 21 Venkat Anantharam 3 14 08 Reading Chap 6 Bode plots for second order systems EE40 Spring 2008 Slide 1 Venkat Anantharam Second Order Filter Circuits Band Pass R VS EE40 Spring 2008 Z R 1 j C j L Low Pass C High Pass L HBP R Z Band HLP 1 j C Z Reject HHP j L Z HBR HLP HHP Slide 2 Venkat Anantharam Series Resonance VIN VOUT Voltage divider Resonance quality factor VOUT ZR VIN Z L Z R ZC Q Substitute branch elements 0L R VOUT R VIN j L R 1 j C Bandwidth is f0 Q in Hz Rearrange VOUT R VIN R j L 1 C EE40 Spring 2008 Slide 3 Venkat Anantharam Parallel Resonance IIN VOUT Admittance VOUT Resonance quality factor IS YL YR YC Q Substitute branch elements VOUT IS 1 1 jwC j L R L 0 R Bandwidth is f0 Q in Hz Rearrange VOUT EE40 Spring 2008 IS 1 j C 1 L R Slide 4 Venkat Anantharam
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