A 50-ohm lossless transmission line is terminated by a 100-ohm resistive load and is operated at 100 MHz. At an electrical length of 0.8 wavelengths, what is input admittance?
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A 50-ohm lossless transmission line is terminated by a 100-ohm resistive load and is operated at 100 MHz. At an electrical length of 0.8 wavelengths, what is input admittance?
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- 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 meter. Determine 1)The capacitance in uF/km without effect of ground 2)The capacitance in uF/km with effect of groundQuestion # 01: A piece of RG-59B/U Coaxial cable has a 950 characteristic impedance and a nominal capacitance of 89pF/m. What is the inductance per meter? If the diameter of the inner conductor is 0.654mm, and the dielectric constant of the insulation is 3.23, what is the outer conductor diameter? Assume the line is a lossless line?A Transmission line cable consists of 14 identical strands of aluminum, each diameter is 2 mm. The Resistivity of aluminum at 21°C is 2.8 x 10-8 Q-m. Find the resistance per km of the line at 60°C. [Assume skin effect correction factor = 1.02 at 50 Hz frequency and a for aluminum = 0.00429/°c]
- 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.A piece of RG-59B/U Coaxial cable has a nominal capacitance of 0.9 Farad/meter, and 8 Henry/m inductance per meter. The diameter of the inner conductor as 0.8m, and the dielectric constant of the insulation as 4. Find the diameter of the outer conductor in cm. Assume the line is a lossless line?For the Figure 6 shown: A 441 -km long, 59 Hz, three-phase, 3-wire, transmission line is composed of stranded conductors in each line with GMR of 12.33 -mm. If the distance D in the figure is 3.24 m., What is inductance per line in (mH)? Figure 6 o 1.732D 1.732D Ⓒ
- 5. Two cascaded lossless transmission lines are terminated by Z₁-2502, as shown below.. a) Calculate the reflection coefficient and the standing wave ratio at the load, i.e., the CC' terminal. b) Determine the characteristic impedance of the quarter-wavelength transformer, Zol, to match the cascaded line to a 6492 generator. B A- A'. Zol 11= 2/4 B' Zo2=75 92 12=32/4 C C ZL=2592A piece of RG-59B/U Coaxial cable has a nominal capacitance of 0.4F/m, and 7.5 H inductance per meter. The diameter of the inner conductor as 0.8m,and the dielectric constant of the insulation as 4.97. Find the diameter of the outer conductor in cm. Assume the line is a lossless line?what is expected VSWR for a transmission line with a reflection coefficient of 0.377