The resonator below is construted from a 3.0cm length of 100 ohm air-filled coaxial line, shorted...
The resonator below is construted from a 3.0cm length of 100 ohm air-filled coaxial line, shorted at one end and terminated with a capacitor at the other end. a) What is the lowest frequency at which the input impedance becomes an open circuit without the capacitor being considered? b) If f=6Ghz what is the input impedance at the end of the transmission line? c) What capacitor value is needed to resonate out the input impedance?
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The resonator below is construted from a 3.0cm length of 100 ohm
air-filled coaxial line, shorted...
A 75-ohm coaxial line has a length of 2.0cm and is terminated with a load impedance...
A 75-ohm coaxial line has a length of 2.0cm and is terminated with a load impedance of 37.5 + j37.5 ?. If the dielectric constant of the line is 2.56 and the frequency is 3.0GHz, calculate the following by hand a) the reflection coefficient at the load b) the SWR on the line c) the reflection coefficient at the coaxial line input d) the input impedance to the coaxial line e) the input admittance to the coaxial line
A 75 coaxial transmission line has a length of 2.0 cm and is terminated with a...
A 75 coaxial transmission line has a length of 2.0 cm and is terminated with a load impedance of 37.575 If the relative permittivity of the line is 2.56 and the frequency is 3.0 GHz, find the input impedance to the line, the reflection coefficient at the load, the reflection coefficient at the input, and the SWR on the 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....
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)...
a. A 50 air-filled transmission line is working at 3 MHz on a length of 5.21....
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...
Question 3. (25 points) If a coaxial cable has characteristic impedance orzo-50 Ω, it is used...
Question 3. (25 points) If a coaxial cable has characteristic impedance orzo-50 Ω, it is used to transfer microwave power at frequency of 10 GHz, and is short-circuited at the end, find the positions over the cable at which the input impedance of the transmission line is 0 (short-circuit) and oo (open-circuit). What is the input impedance at a distance of 3/8 and comment if it is inductive or capacitive?
Note that there is a second valid solution. Problem #2) When an air-filled, slotted-line is terminated...
Note that there is a second valid solution. Problem #2) When an air-filled, slotted-line is terminated with a "short-circuit", voltage minima are measured at positions of 10cm and 25cm on the line. When an unknown load" is connected to the line, the VSWR on the line is 2.4, and voltage minima are detected at 16cm and 31cm. Determine the impedance value of the load in rectangular form), the reflection coefficient of the load (in polar form), and the frequency of...
Problem 3-15. Steady-State Conditions on a Transmission Line ine Che Chap. 3 3-11. A certain telephone...
Problem 3-15.
Steady-State Conditions on a Transmission Line ine Che Chap. 3 3-11. A certain telephone cable has the following electrical characteristics: R = 40 /mi L = 1.1 mH/mi G = negligible C = 0.062 F/mi Loading coils are added which provide an additional inductance of 30 m / well as an additional resistance of 8 l/mi. Obtain the attenuation constan phase velocities at frequencies of 300 Hz and 3300 Hz. If the coil spacing is 1/6 at a...
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 i...
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 2.25 A lossless transmission line is terminated in a short circuit. How long (in wavelengths)...
Problem 2.25 A lossless transmission line is terminated in a short circuit. How long (in wavelengths) should the line be in order for it to appear as an open circuit at its input terminals? Problem 2.27 A 75-Ω resistive load is preceded by a λ/4 section of a 50-Q lossless line, which itself is preceded by another λ/4 section ofa 100-Q line. What is the input impedance? Problem 2.31 A generator with 300 V and Znected to a load ZL...
27. The time required for a voltage pulse to travel the length of a 50 0hm cosxial cable is a function of the a) length of the cable. b) distributed inductance and capacitance of the cable. c) i...
27. The time required for a voltage pulse to travel the length of a 50 0hm cosxial cable is a function of the a) length of the cable. b) distributed inductance and capacitance of the cable. c) impedance used to terminate the cable. 28. The technical (as opposed to technical and economical) specifications for the low pass filter of the final design project could be satisfied with a a) third order Butterworth filter. b) fifth order Chebyshev filter. c) forth...
A 75-ohm coaxial line has a length of 2.0cm and is terminated with a load impedance of 37.5 + j37.5 ?. If the dielectric constant of the line is 2.56 and the frequency is 3.0GHz, calculate the following by hand a) the reflection coefficient at the load b) the SWR on the line c) the reflection coefficient at the coaxial line input d) the input impedance to the coaxial line e) the input admittance to the coaxial line
A 75 coaxial transmission line has a length of 2.0 cm and is terminated with a load impedance of 37.575 If the relative permittivity of the line is 2.56 and the frequency is 3.0 GHz, find the input impedance to the line, the reflection coefficient at the load, the reflection coefficient at the input, and the SWR on the 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)...
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...
Question 3. (25 points) If a coaxial cable has characteristic impedance orzo-50 Ω, it is used to transfer microwave power at frequency of 10 GHz, and is short-circuited at the end, find the positions over the cable at which the input impedance of the transmission line is 0 (short-circuit) and oo (open-circuit). What is the input impedance at a distance of 3/8 and comment if it is inductive or capacitive?
Note that there is a second valid solution. Problem #2) When an air-filled, slotted-line is terminated with a "short-circuit", voltage minima are measured at positions of 10cm and 25cm on the line. When an unknown load" is connected to the line, the VSWR on the line is 2.4, and voltage minima are detected at 16cm and 31cm. Determine the impedance value of the load in rectangular form), the reflection coefficient of the load (in polar form), and the frequency of...
Problem 3-15.
Steady-State Conditions on a Transmission Line ine Che Chap. 3 3-11. A certain telephone cable has the following electrical characteristics: R = 40 /mi L = 1.1 mH/mi G = negligible C = 0.062 F/mi Loading coils are added which provide an additional inductance of 30 m / well as an additional resistance of 8 l/mi. Obtain the attenuation constan phase velocities at frequencies of 300 Hz and 3300 Hz. If the coil spacing is 1/6 at a...
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 2.25 A lossless transmission line is terminated in a short circuit. How long (in wavelengths) should the line be in order for it to appear as an open circuit at its input terminals? Problem 2.27 A 75-Ω resistive load is preceded by a λ/4 section of a 50-Q lossless line, which itself is preceded by another λ/4 section ofa 100-Q line. What is the input impedance? Problem 2.31 A generator with 300 V and Znected to a load ZL...
27. The time required for a voltage pulse to travel the length of a 50 0hm cosxial cable is a function of the a) length of the cable. b) distributed inductance and capacitance of the cable. c) impedance used to terminate the cable. 28. The technical (as opposed to technical and economical) specifications for the low pass filter of the final design project could be satisfied with a a) third order Butterworth filter. b) fifth order Chebyshev filter. c) forth...
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