A 50 ohms lossless transmission line has a standing wave ratio, SWR = 3. A voltage minimum is located 3.15 wavelengths from the load. Use a Smith Chart to find the load impedance. %3D
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- b. Determine what is the necessary length and characteristic impedance of a cable to be used as a quarter-wave matching transformer so that it can eliminate the standing waves and subsequently provide a matched condition for a 180 O resistive load fed from a 45 0 transmission line. This condition is to exist for a frequency of 95 MHz. Given a velocity factor = 1.0.The capacitance per unit length and the characteristic impedance of a lossless transmission line are C and Zo respectively. The velocity of a travelling wave on the transmission line is (a) Z.C (c) Zo C - UN (b) Z.C (d) ZA coaxial cable is 10 meters long, and is filled with lossless Teflon, having a relative permittivity of 2.1. There is a matched load at the end of the line (this means that there is no reflection at the end, so there is only a signal traveling in the + z direction). At the input of the line, a sawtooth waveform is applied, having a peak voltage of 1.0 [V] and a duration of 1.0 [ns] (the time from the beginning of the waveform until the end). Make a plot (versus time) of what an oscilloscope would read if it were connected to the line at various locations, corresponding to the following values of z: 0.0 [m], 1.0 [m], 5 [m], 10 [m]. Plot out to 50 [ns] 1
- lossless transmission line has a characteristic impedance of Zo=302, load reflection coefficient is 0.5 .What is the load impedance?5-A lossless T.L. has Zo = 100 Q and is loaded by ZL. The VSWR = 2. The first two voltage minima are located at z= -10 and -35 Cm from the load where z = 0. Determine ZL.b) A 6052 characteristic impedance transmission line is fed by a DC source of 100V with an internal resistance of 4002. The line is 200m long and has a dielectric constant of 2.25. The load impedance is 12002. Calculate: i. The load reflection coefficient. ii. The source reflection coefficient. iii. What is the voltage at the source terminals just before AND just after 2us?
- A 105MHz, 90 v peak signal is incident on a 50-ohm transmission line. The line is 125m long and is terminated in 300-ohm load. What is the SWR for this situation? Find the reflection coefficient.A single-phase transmission line consisting of two conductors, the radius of each conductor is 0.4 cm, the distance between the conductors is three and half meters and the height above ground is eight 1-The capacitance in uF/km without effect of ground is 2-The capacitance in pF/km with effect of ground isThe 50 ohm transmission line isterminated with an unknown load. The magnitude of the reflection coefficient is R=0.5.Thedistancebetween the voltage maximum and the load is0.15 lambda. What is the imaginary partof the load impedance?
- For a lossless trabsmisison line, the characteristic impedance is 80 ohm. If the capacitance per unit length is 1.5 mh/m then what will be the inductance per unit length.A system has a forward power of 60 W, reflected power of 3 W, and transmission line loss of –3 dB. What will be the observed loss on the ground? A system has a forward power of 200 W and a reflected power of 15 W, what is the return loss?please model a transmission line pair with an equivalent circuit model. establish the transmission equations using Kirchhoff's current law and voltage law. solve the equivalent circuit model equations to get wave equation.