Introduction to Steady State (AC)Analysis Sinusoidal Sources (Continued) Why are sinusoids important(Cont.) Example:Fourier Series of a Square Wave Time Domain Frequency Domain 2Vp/π -70 7a0 90 00=(2)/T 十 Vo=∑EeGno.t) wherej=v-1 n=-00 n=-o where E=(2Vp/nπ)sin(nπ/2) Notice that only the odd harmonics of v(t)are present in this particular example... Basic Electronics-Special Lecture for TIPP 2011 10 Gary Drake,Argonne National Lab-Session 2Basic Electronics – Special Lecture for TIPP 2011 10 Gary Drake, Argonne National Lab – Session 2 Introduction to Steady State (AC) Analysis  Sinusoidal Sources (Continued) • Why are sinusoids important (Cont.)?  Example: Fourier Series of a Square Wave where En = (2VP / n) sin(n / 2)  2VP /  O Time Domain Frequency Domain t VP VP O O O O O O O O O V(t) =  En e(jnot) n=-h +h T O = (2 ) / T  Notice that only the odd harmonics of v(t) are present in this particular example… where j = S -1 n=-h +h