A transmission line with characteristic impedance of 100 ? is
connected to a 200+j400 ? load. Use Smith chart to calculate (i)
standing wave ratio (ii) reflection coefficient (iii) lengths and
locations of a short circuited shunt stub to match the load to the
transmission line.
A transmission line with characteristic impedance of 100 ? is connected to a 200+j400 ? load....
a. A 50 air-filled transmission line is working at 3 MHz on a length of 5.21. The line is terminated with a load impedance of ZĽ = 40 + j25 12. Evaluate: i. VSWR using both Smith Chart and equation. Compare both answers. (CO3: P04 - 3 marks) ii. Reflection coefficient at the load using both Smith Chart and equation. Compare both answers. (CO3: P04 - 3 marks) iii. Input impedance and input admittance using the Smith Chart. (CO3: PO4...
[50] You have a load with impedance (10+j10)? at the design frequency, f-100 MHz, that you want to match to a 50? transmission line (v,-3.108m/s). Using Smith charts, construct matching networks using the following elements: (a) a short-circuited parallel stub, (b) an open- circuited parallel stub, (c) a short-circuited series stub, (d) an open-circuited series stub, (e) a quarter-wave transformer. Assume ideal components. Specify the length of each transmission line in meters. ·
answer number 3 and 4 Problem 7. Transmission Lines The figure below shows a transmission line with a characteristic impedance Z,-50 Ω, connected to a single frequency generator with an internal impedance R,-50 C (not shown), and terminated in a purely resistive load RL 50 2. At the frequency of the generator, the wavelength of the transmission line is λ = 2 m. At a distance dl-1.25 m away from the load, a shorted stub is connected via a tee....
Problem 2: (10 points) Current standing wave on a transmission line with a characteristic impedance of 5012 is shown below: ||OI 100mA M 10mA (a) Calculate the magnitude of the reflection coefficient at the load end. (b) Calculate the value of load impedance placed at the end of the transmission line.
Question 4 (a) The input impedance of a lossless air-core transmission line with characteristic impedance Ro. phase constant B and length I terminated in an impedance Z, is given by R,+Z, tan( i. Determine the length of an open circuit 50Ω line required to create a 0.1 nH inductor at a frequency of 10 GHz. (6 marks) ii. Determine the input impedance of the line in part () if the open circuit is changed to a short circuit. (3 marks)...
10. An antenna, characterized by Zi = 73+j42.5 Q, is fed by twin lead transmission line with Zo 75 Q at 100 MHz. Design a matching network using a short-circuited, shunt connected stub to match the load to the generator, characterized by a 750 impedance; a.
A long line with characteristic impedance Zo = 100 operates at 1GHz. The speed of propagation on the line is c [m/s] and the load impedance is 260 + j180 N. Find: (a) The reflection coefficient at the load. (b) The reflection coefficient at a distance of 20 m from the load toward the generator (c) Standing wave ratio (d) Input impedance at 20 m from the load (e) Location of the first voltage maximum and first voltage minimum from...
How can a smith chart be used to solve the following: A load of impedance ZL is connected to a transmission line of characteristic impedance 75 2. Along the transmission line, a voltage maximum of 3 volts is found at a position 0.2 wavelength from the load, and the voltage minimum is 1.5 volts. (a) What is ZL? (b) It is desired to match the load to the line with a shunt capacitor. The frequency of the wave is 10...
Match a load impedance of 100 ‐ j100 Ω to a 50 Ω transmission line using a parallel inductor (next to the load) and a series capacitor. Calculate component values at 1 GHz using Smith Chart. Show all calculations on Smith Chart.
A lossless transmission line with characteristic impedance of 75Ω measures 1.4λ at a certain working frequency. The line is powered by a generator with negligible impedance and an open circuit voltage of Vg=10∠0° [V]. A load of 50-i50Ω is connected at the end of the line. Find a) The reflection coefficient. b)The stationary wave ratio. c)The input impedance of the line. d)The voltage at the entrance of the line. e)The voltage at the load. f)The average power delivered to the...