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EE 332 Lesson 0810

# EE 332 Lesson 0810 - REVIEW FOR PASSIVE CIRCUITS RC LOW...

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8/10/2010 1 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock EE 332 DEVICES AND CIRCUITS II WEEK 8 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock REVIEW FOR PASSIVE CIRCUITS / RC LOW PASS FILTER 0 0 1 1 1 1 1 1 ( ) ( ) () i i sC v s v s R sC vs sC Hs v s sRC R sC Impedance of a capacitor is 1 C Z sC By voltage division: Transfer function v i v o R C 3 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock REVIEW FOR PASSIVE CIRCUITS / RC LOW PASS FILTER v i v o R C 1 1 1 12 1 2 1 1 Evaluate the transfer function at s j : since: ) c c H(jω j RC H(jf) j fRC f RC H(jf) f j f   4 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock REVIEW FOR PASSIVE CIRCUITS / RC LOW PASS FILTER v i v o R C 1 0 1 1 c c c For f f : For f f : For f f : o i oc i o i v v vf j v vj      5 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock REVIEW OF BODE PLOTS: (AMPLITUDE ONLY) Every zero results in an increase of 20dB/decade in the slope of the frequency response Every pole results in an decrease of 20dB/decade in the slope of the frequency response

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EE 332 Lesson 0810 - REVIEW FOR PASSIVE CIRCUITS RC LOW...

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