Consider a lossless transmission line ( Z0= 100 Ω) with a standing wave ratio of 4 when the voltage is maximized at the load. What is the corresponding load resistance ZL?
Consider a lossless transmission line ( Z0= 100 Ω) with a standing wave ratio of 4...
A lossless transmission line Z0 = 75 Ω is 10 cm long (f = 800 MHz, vp = 0.77c). If the input impedance is Zin = j60 Ω (a) Find ZL (using the Smith Chart) (b) What length of a short-circuit transmission line would be needed to replace ZL?
Q1. (20pts) Consider a lossless transmission line with characteristic impedance Zo=50 Q is used to connect a sinusoidal source with internal resistance Rs=50 2, and 10 Volts peak value to feed a load of ZL=300 Q. At an operating signal wavelength of do, the length of the transmission line is L=2.25o. Determine the followings: a) Standing wave ratio on the line b) Average power delivered to the load in dBm. c) The voltage and current phasor expressions on the transmission...
A lossless transmission line of electrical length l = 0.35λ is terminated in a load impedance as shown in the following figure, where ZL = 60Ω, and Z0 = 100Ω. Find: a) Relfection coefficient Γ, b) Standing wave ratio S (or VSWR), c) Input impedance Zin.
Consider a 50 Ω lossless transmission line terminated in a load impedance ?? = (100 − ?50) Ω. Find ?(?) and Γ(?) at a distance ? = 0.1λ.
A 50-Ω air transmission line terminated with an unknown load ZL is excited by a 6 GHz sinusoidal signal source. The standing wave ratio on the line is measured to be 4 and the position of one of the voltage minimums on the line with respect to the load position is 9 cm. Determine the value of the load impedance ZL and box your answer.
For a lossless transmission line extending from 1 = -1 to 1 = 0) with characteristic impedance Zo, and terminated with a load impedance, ZL, find the ratio of the backward to forward voltage wave amplitude, V /V+.
A 50-Ohm lossless air-spaced transmission line is terminated in a load. The voltage standing wave pattern on the line is measured and the resulting curve is presented in the figure. V[V] -1 -0.8 -0.6 -0.4 -0.2 0 - [m] (a) Determine the signal frequency. (b) Find the percentage of the incident power that is delivered to the load.
10.198 A lossless transmission line is 50 cm in length and operates at a frequency of 100 MHz. The line parameters are L-0.2 μ H/m and C = 80 pF/m. The line is terminated in a short circuit at z 0, and there is a load ZL = 50 + j 20 Ω across the line at location z--20 cm. What average power is delivered to ZL if the input voltage is 10020 V?
A 75 Ω lossless transmission line is terminated into a load 100 +j150 Ω. For this line, find: i. Reflection coefficient; ii. An antenna receiving a signal of 500 MHz has the following specifications: input power Prad 3.25 kw; effective area of antenna Aeff 3.5 m2; total efficiency of antenna,-42%; radiation efficiency of antenna ecd-65%; tilt angle of the received signal ψ = 35°. Determine Voltage standing voltage ratio; b. i. Gain of the antenna (in dB) ii. Maximum radiation...
Electromagnetism: A transmission line has a characteristic impedance Z0 = 50 Ω and attenuation 3 dB/100m (α = 0.345 Np/100m). Assume that the velocity factor is 1.0 (i.e. the propagation speed along the line is equal to the speed of light). The line is 500 m long and a load resistance, RL = 50 Ω is connected to one end of the line. A sinusoidal voltage source is connected to the line at the other end, with a peak voltage...