In the system shown below, the switch S is closed at t = 0. Assume it...
In an ideal transmission line, If a switch is closed at t = 0 and a 10 Volt generator with output impedance of 25 Ω drives a 50 Ω transmission line of length ? with a 75 Ω load. Draw a Bounce Diagram for the resulting voltage and plot the voltage vs time at the midpoint of the line vs time. Plot the until the reflected voltage until it is less than 2% of the original value.
Problem 4 A generator with an internal resistance of RG = 1202 produces a 5us square pulse with an open-circuit voltage of Ve 5V. The pulse travels at half the speed of light on a 3km lossless transmission line with a characteristic impedance of Zo= 1800 that is terminated with a load resistance of R 902. Use a bounce diagram to construct a voltage vs. time plot for the voltage signal observed at the center point of the transmission line,...
A DC voltage Vs is applied to a lossless transmission line of length L, with characteristic impedance Zo and propagation velocity Up. The line is terminated in a short circuit. Draw the "bounce diagram" for the voltage along the line as a function of time for the following cases: a) Rs = 1/3Zo b) Rs = 3Zo c) Rs= Zo Where Rs is the source impedance. For the case Rs= Zo plot the voltages at both ends of the line...
3. A system of two transmission lines connected in series are driven by a voltage source fi(t) Vou(t) and terminated by a resistive load of 60S2 as shown in the figure below. A switch is closed at t 0 and the positive voltages are measured for 5 μs giving the bounce diagram shown in the figure-the voltage values indicated in the diagram correspond to delta function weights times the source voltage products such as VOTg, VOTg(1 +「2), etc. 400 m...
In the system shown below, thr line has a one-way transit delay of T seconds. The line is completely discharged for t ≤ 0. For the following source and component values, construct a reflection diagram for the system and plot the input voltage Vin and the load voltage VL for the time interval 0 < t < 6T. 3.6 In the system shown below, the line has a one-way transit delay of T seconds. The line is completely discharged for...
Consider the circuit shown below. V, changes from 0 V to 1.5 V at t = 0 and remains at 1.5V. The transmission line has air between the conductors. {= 6 cm Rs=1502 WO w RL= 450 12 Vo=1.5V ( Zo=502 a) Find the following reflection coefficients: i. Tų (refl. coeff. at the load) ii. I's (refl. coeff. at the source) b) Complete the bounce diagram below by finding the values of the voltage pulses Vi+, Vi V2+, V2, V3+...
Past exam question, 2010 The following questions concern the voltage V(z, t) along a 3-m long lossless line characterised by Zo = 50 and u, 0.66c. The line is fed by Ug = 80 V, and Ra a step voltage at t 0 with generator voltage = 752. The line is terminated with ZL = 252 (a) Compute the voltage reflection coefficients at both the load and generator ends, and show that the travel time along the line is 10ns....
A rectangular pulse of an amplitude 27 V and a duration 1 µs is applied via a series resistor Rg to the terminals of a lossless transmission line of length l = 400m terminated in a load resistance RL. The phase velocity of waves on the line is up =3 × 108 m/s. (a) Using the bounce diagram, sketch the voltage and current at the mid-point of the transmission line (z = l/2) for 0 < ?< 3 µs. (b)...
6. Design two single-stub matching networks as shown below. Transform the load impedance Z (60 j45) Ω to match an input impedance of Z,-(75+j90)Ω. Assume that both the stub and the transmission line shown below have a characteristic impedance of Zo-50 Ω. Zot I ZoL.l ZL lm in Open or -) : short circuit , open or short circuit 6. Design two single-stub matching networks as shown below. Transform the load impedance Z (60 j45) Ω to match an input...
Q1. A transmission line has Zo-Z,-150 Ω and ZL-50 Ω. The propagation velocity on the line is 200 m/us and the line is 800 m long. At time t-0, a single voltage pulse of 16 V and 1 us duration is transmitted by the generator. Using relevant equations and diagrams, discuss the voltage and current pulse behavior on the line. Q1. A transmission line has Zo-Z,-150 Ω and ZL-50 Ω. The propagation velocity on the line is 200 m/us and...