4.2 Superposition202.28.32.233/pics_upload/EEng ch4.pdfWe wish to determine the Thévenin equivalent...

19
&KDSWHU $GGLWLRQDO $QDO\VLV 7HFKQLTXHV /LQHDULW\ /LQHDULW\ UHTXLUHV ERWK additivity DQG homogeneity(scaling) DGGLWLYH SURSHUW\ YW 5L W5L W 9 W 9 W KRPRJHQHLW\ SURSHUW\ VFDOLQJ 5. iW . Ri W . v W

Transcript of 4.2 Superposition202.28.32.233/pics_upload/EEng ch4.pdfWe wish to determine the Thévenin equivalent...

Chapter 4  Additional Analysis Techniques 

Linearity: Linearity requires both additivity and homogeneity(scaling) 

additive property, v(t) = Ri 1 (t)+Ri 2 (t) = V 1 (t)+ V 2 (t) 

homogeneity property (scaling) RK 1 i(t) = K 1 Ri(t) = K 1 v (t)

4.2 Superposition 

I1=I(R2/R1+R2)

therefore

The

R L 

1  V TH = 

V TH 

2  R TH = 

R TH 

2