# AC Circuits 1st Edition Davis

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Preface ………………………………………………………………………………………………………………………………….4
Module 1 – AC Signal Overview ………………………………………………………………………………………………….5
Section 1.1 – AC Introduction …………………………………………………………………………………………………………………5
Section 1.2 – Sinusoids ………………………………………………………………………………………………………………………….6
Section 1.3– Defining AC Voltage Types for Common AC Waveforms ……………………………………………………… 12
Section 1.3.1 – Peak and Peak to Peak Voltage ………………………………………………………………………………….. 15
Section 1.3.2 – Average Voltage ………………………………………………………………………………………………………. 16
Section 1.3.3 – Root Mean Square (RMS) Voltage ……………………………………………………………………………… 16
Section 1.4– Sine Wave, Square Wave, and Triangle Wave Example Problems …………………………………………. 18
Section 1.4.1 – Example Calculations of Vpp, Vpk, Vavg, and Vrms for Sine Waves ……………………………….. 18
Section 1.4.2 – Example Calculations of Vpp, Vpk, Vavg, and Vrms for Square Waves ……………………………. 20
Section 1.4.3 – Example Calculations of Vpp, Vpk, Vavg, and Vrms for Triangle Waves ………………………….. 23
Module 2 – AC Circuits Math Background ………………………………………………………………………………….. 26
Module 3 – RLC Circuit Analysis with AC Sources …………………………………………………………………………. 32
Section 3.1 – Introduction of Impedance and Admittance and the Laplace Transform ………………………………. 32
Section 3.2 – Series RLC Circuits ………………………………………………………………………………………………………….. 33
Section 3.3 – Parallel RLC Circuits………………………………………………………………………………………………………… 41
Section 3.4 – AC Power Calculations ……………………………………………………………………………………………………. 44
Section 3.5 –AC Maximum Power Transfer …………………………………………………………………………………………… 50
Module 4 – Passive Filters ………………………………………………………………………………………………………. 53
Section 4.1 – Low Pass Filters (LPF) ……………………………………………………………………………………………………… 54
Section 4.2 – High Pass Filters (HPF) ……………………………………………………………………………………………………. 57
Section 4.3 –Band Pass Filters (BPF) …………………………………………………………………………………………………….. 59
Section 4.4 –Band Stop Filters (BSF) …………………………………………………………………………………………………….. 66
Module 5 – Transformers ……………………………………………………………………………………………………….. 68
Module 6 – Diodes and AC to DC Conversion ……………………………………………………………………………… 72
Section 6.1 – Diode Constant Drop Model ……………………………………………………………………………………………. 73
Section 6.2 – Diode Logic Circuits ………………………………………………………………………………………………………… 78
Section 6.3 – Protection Diodes ………………………………………………………………………………………………………….. 79
Section 6.4 – Rectifiers ………………………………………………………………………………………………………………………. 80
Module 7 –Operational Amplifiers (OpAmps) …………………………………………………………………………….. 84
Section 7.1 – OpAmps Used as Comparators ………………………………………………………………………………………… 86
Section 7.2 – OpAmps used as Amplifiers …………………………………………………………………………………………….. 89
Section 7.2.1 – Inverting OpAmp Configuration…………………………………………………………………………………. 92
Section 7.2.2 – Non-Inverting OpAmp Configuration………………………………………………………………………….. 94
Section 7.3 – Superposition with OpAmps ……………………………………………………………………………………………. 95