ELEC 3909 Lecture 2: 2.13
23 Feb 2016
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Problem 2. 13 in addition to not dissipating power, a lossless line has two important (1) it is dispertionless ( p is independent of frequency) and (2) its features: characteristic impedance z0 is purely real. C , but it is possible to choose the a transmission line such that r dimensions of the line and its material properties so as to satisfy the condition. Such a line is called a distortionless line because despite the fact that it is not lossless, it does nonetheless possess the previously mentioned features of the loss line. Solution: using the distortionless condition in eq. (2. 22) gives. = + j =p(r + j l )(g + j c ) = im( ) = l c , up = Similarly, using the distortionless condition in eq. (2. 29) gives.
