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# Dr chong 12 bekc3533 sem2 1516 dr chong sh fke utem 4

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DR CHONG 12

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BEKC3533 – SEM2, 15/16 DR. CHONG SH– FKE, UTEM 4 Electrical Circuits DR CHONG 13 Table 2-1: Voltage-current, voltage-charge, and impedance relationships for capacitors, resistors, and inductors. Voltage current Current voltage Voltage charge Impedance Admittance Electrical Circuits DR CHONG 14 Example 2-2 Electrical Circuits DR CHONG 15 Example 2-3 Electrical Circuits DR CHONG 16 Exercise 2-4
BEKC3533 – SEM2, 15/16 DR. CHONG SH– FKE, UTEM 5 Electrical Circuits DR CHONG 17 Exercise 2-5 Operational Amplifier § Operational amplifier is an active circuit that can be used to implement transfer functions. § There are circuits built around an op-amp. DR CHONG 18 Operational amplifier Inverting op-amp ) ( 1 2 V V A V o = 1 AV V o = Inverting Operational Amplifier DR CHONG 19 ) ( ) ( 2 1 s I s I = ) ( ) ( ) ( 1 1 s Z s V s I i = ) ( ) ( ) ( 2 0 2 s Z s V s I = ) ( ) ( ) ( ) ( 2 0 1 s Z s V s Z s V i = 0 2 1 ( ) ( ) ( ) ( ) i V s Z s V s Z s = Inverting Operational Amplifier DR CHONG 20 Example 2-4

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BEKC3533 – SEM2, 15/16 DR. CHONG SH– FKE, UTEM 6 Summary & Exercises § Today topic § 2.1 Mathematical modeling in frequency domain § 2.1.1 Mathematical modeling of electric network and op amp § Next § 2.1.2 Mathematical modeling of mechanical system: translational and rotational § Exercise § Tutorial 2 DR CHONG 21

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