Engineering, 21.11.2019 00:31 shawn20034
Twin-lead transmission lines (tls) are commonly used to connect tv sets and fm radios to their receiving antennas. for the twin-lead, the geometrical factor is gf = π cosh−1 d 2a , where 2a is the diameter of each wire (cylindrical conductor) of the twin lead, and d is the distance between the centers of the wires. assuming = o, µ = µo, and 2a = 1 mm, calculate d for twin lead tl's having: (a) zo = 50 ω and (b) zo = 300 ω.
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