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Q. A lossless line has Zo= 100 1 and ZL= (x +j y) 12. Wherex & y are from the last 6 digits of your UQU-ID. Also, if the ID is an even number, reactive part is positive and if it is an odd number, reactive part is negative. For example, if your UQU-ID is 437654321 then Zu= 654 - j 321) 2.( NOTE my ID IS 436017076) The line operates at 300 MHz and speed of propagation is 0.8c. Find (using Smith chart as well as manual calculation) ini mi two Standing wave ratio. Reflection coefficient at the load. Location of first voltage maximum and first voltage minimum from the load. Input impedance at 2.5 m from the load. Input admittance at 2.5 m from the load. Reflection coefficient at 2.5 m from the load.

Answer 1

10 = 436017016 Even number Hence ze = 17+763 20 = 100 Zi= 174 75) - 0.17 +0.760 loo f= 300müz,V768) X3X100 ml) V = fx daro 0.8x3x108 m I= 300xido . Reflection coefficient dze = -0.202 +0.78j T= Ze-zo - 17+760-100 Zetzo (7+76)+100 (TL=0.806 Llot so I VSWR 1+(.) 10806 Talrid » T-oigos = 9.309 (Vsuk= 9.309 ] Input impedence at 2.5m from load. . d=0.8m 2 = 205m . x= 2050 a = 301251 Zin=zo (zu tjzotan (BC).) .. "Zotjad tan (B) Be= (27 3.125 1. = 1125 Zin = 600 717+36] + j(coo)lan (125) i 100+ 3(17+76) tan (125) (Zin= 39374543 ] zn'=3.13 44.545

Zin- zo 393+4541-100 Zin t20 - 3934444;+ 100 = 0.780 +0.20j i zin = 0.806414.501: - 1. 1. mare al re (0.17+0.76) on Smith Chart & draw the zel- Circle : Zi' at 0.1057 Reflection Coefficient line is tangent drawn Vertically & we can see angle at zer - - le at 0.loot (ie 104-so) TE=0.8 [104.5" we can also see uswk in that scale SWR=9. Zin at 2.5m ie 3.1258 from load = (3-125 +0.105) 3.3.2304 0.5 xq = 3.5 . (0.586) 3X = 0.2300 So, we need to rotate to 10.230x from z. i at 0-2301 ... Zin '= 4+4.51 (zin = (40ot 450j fal Angle at Zin for Reflection coefficent is 14,5° Tin = 0.9 LETO ] to --

.X points . marks are voltage mas & min ie at 025d Xo5 from Zd Voltage max -(0.25-0. Costa = 0e145 length = 0.148)(0-8)m (length = 0.16m . Voltage min = (0.5-0.105) ::.= 0.3951 Leyth= (0.395)(0.g)m (length = 0.316m

Yin is 100-130j

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