EEL3472HA1S - problem 2.l5 Find a and 26 of a...

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Unformatted text preview: problem 2.l5 Find a and 26 of a distortionless line whose Rt :2 Q/m and G t : 2 x l 0 - 4 S / m . Solution: From the equations given in Problem 2'13' a : J N G ' : 1 2 x 2 x l o - 4 1 r l z : 2 x 1 0 - 2 ( N P / m ) ' tr t^'-( 2 \'":,oon zo: lo: tla: \t;lor ) - rvv)4 Problem 2.17 Using a slotted line, the voltage on a lossless transmission line was found to have a maximum magnitude of 1.5 V and a minimum magnitude of 0'6 V' Find the magnitude of the load's reflection coefficient' solution: From the definition of the standing wave Ratio given by Eq' (2.73), 5: lZl-"* --y:2.5. * l v l ^ i ^ 0 ' 6 Solving for the magnitude of the reflection coefficient in terms of S, as in Exampie 2-5, s - r ) 5 - l l f l - " ^ l - r . S + l 2 . 5 + 1 Problern 2.I9 A 50-0 lossless transmission line is terminated in a load with impedance Zy: (30 - j50) O. The wavelength is 8 cm. Find: (a) the reflection coefficient at the load, (h) the standing-wave ratio on the line, (c) the position of the voltage maximum nearest the load, (d ) the position of the current maximum nearest the load. (e) Verifu quantities in parts (a)-(d) using CD Module 2.4. Include a printout of the screen display. Solution: (ri ) f166 Eq. (2.59), t _ Z t - - Z o _ ( 3 0 - i 5 0 ) - 5 0 : 0 . \ 7 o _ i 7 e . 8 " . Zt-t Zo (30 - 7s0) + s0 (lr) From Eq. (2.73), ^ r+lfl 1+0.s7 J: r-rfl : r- nu:r'o)' (r) From F.q....
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EEL3472HA1S - problem 2.l5 Find a and 26 of a...

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