Question

Calculate input impedance of a transmission line connected to the load ZL=0.6-j1.4 at length of 0.307 λ. (use smith chat)

Answer 1

0.28 0.25 970 ITO 0.23 0.25 0.26 ZO 870 0.22 €20 0.27 -10 OTO 6TO 0.21 0.28 -20 170 EO 0 29 0.2 90 winne 30 το Het toilettes 610 0.3 3 0.19 Ob 0.31 40 0.18 0.32 0.32 810 - .50 A05 0.33 à L10 60' tagant 054 0.16 AG DE H 0.35 0.35 0.36 MTO 16 0.36 . FI'O' -80 6 1.2 0.37 0.13 ETD 037 0.12 0.38 21 0.39 0.39 l=0.3077 0.41 009 120 0.08 0.42 0.42 0.08 . OET 130 0.43 0.07 0.43 0.07 TTT7" o'st 0.44 140 + 0.06 0.44 w 0.45 - 150 VOS 0.05 0.46 160 0.15 -260 100 0.04 0.47 170 180 .270 0.46 0.48 60 WAVAENGTHS TONARD LOAD ** 0.47 0.49 0.49 + -------+ ---++HHHHHHHHH+-+-+-+ ANGLE CF REFLECTION COEFFOJENTO الملنللنللللللللسلسالسل ------------- HHHHHHHHHHHH +++ - + - + - 5 WAVELENGTHS TOWARD GENERATOR -- >

2=0.3077 given Noomalised Load impedance to = z = 2 = 0.6-j1:4 F Zin Zo as point p? on chart. Taking in plot q = 0.6-j!.4 as center 4 "MP as radices, draw s-circle. Move from p? by 10:307 Å on sociale clockwise direction to get 'a' Q = Zin = 0.5+j1.2 in Zin = zo Zin