d) A transmission line consists of two copper wires embedded in a dielectric substrate having ɛ, = 3 + 0.1X and u, = 1.0. The wires have a radius a = 0.1mm and are parallel to each other, a distance D = (20 + X) mm apart. %3D %3D %3D Note that X is the last digit of your student number. For example, if your number is C1700123, then ɛ, = 3+ (0.1)(3) = 3.3 and D = 20 + 3 = 23mm if your number is C1700100, then ɛ, = 3 + (0.1)(0) = 3.0 and D = 20 + 0 = 20mm %3D %3D (i) Calculate the capacitance per unit length. (ii) Calculate the high frequency inductance per unit length. (ii) What is the characteristic impedance of this line? (iv) The characteristic impedance needs to be reduced to match into a measurement circuit. Suggest two ways of reducing Zo.

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X=8
T
Revert
Don
d) A transmission line consists of two copper wires embedded in a dielectric
substrate having ɛ, = 3 + 0.1X and u,
0.1mm and are parallel to each other, a distance D = (20 + X) mm apart.
1.0. The wires have a radius a =
%3D
Note that X is the last digit of your student number. For example,
if your number is C1700123, then &, = 3+ (0.1)(3) = 3.3 andD 20 +3 = 23mm
if your number is C1700100, then ɛ, = 3+ (0.1)(0) = 3.0 and D = 20 + 0 = 20mm
%3D
%3D
(i)
Calculate the capacitance per unit length.
(ii)
Calculate the high frequency inductance per unit length.
(iii) What is the characteristic impedance of this line?
(iv) The characteristic impedance needs to be reduced to match into a
measurement circuit. Suggest two ways of reducing Zo-
Transcribed Image Text:T Revert Don d) A transmission line consists of two copper wires embedded in a dielectric substrate having ɛ, = 3 + 0.1X and u, 0.1mm and are parallel to each other, a distance D = (20 + X) mm apart. 1.0. The wires have a radius a = %3D Note that X is the last digit of your student number. For example, if your number is C1700123, then &, = 3+ (0.1)(3) = 3.3 andD 20 +3 = 23mm if your number is C1700100, then ɛ, = 3+ (0.1)(0) = 3.0 and D = 20 + 0 = 20mm %3D %3D (i) Calculate the capacitance per unit length. (ii) Calculate the high frequency inductance per unit length. (iii) What is the characteristic impedance of this line? (iv) The characteristic impedance needs to be reduced to match into a measurement circuit. Suggest two ways of reducing Zo-
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