4. (30 pts) In a radio frequency circuit, a (175Ω resistor) serves as a load at...
4. (30 pts) In a radio frequency circuit, a
(175Ω resistor) serves as a
load
at the end of a transmission line of (50Ω). We
want to use a shorted stub in
parallel to achieve maximum power transfer. Use a smith chart.
a. (15 pts) Determine the minimum distance in wavelengths from the
load
that the stub must be connected.
b. (15 pts) Determine the minimum length of the stub in wavelengths.
Homework Answers
Add Answer to:
4. (30 pts) In a radio frequency circuit, a
(175Ω resistor) serves as a
load
at...
In a radio frequency circuit, a resistance of 175 Ω serves as a load at the end of a 50 Ω transmi...
In a radio frequency circuit, a resistance of 175 Ω serves as a
load at the end of a 50 Ω transmission line. We want to use a
shorted stub in parallel to achieve maximum power transfer. Use the
Smith Chart Diagram
Determine the minimum distance in wavelengths from the charge,
that the stub must be connected.
Determine the minimum length of the stub in wavelengths.
Please write clearly to see it right
Smith Chart
Smith Chart
In a radio frequency circuit, a resistance of 1752 Ω serves as a load at the...
In a radio frequency circuit, a resistance of 1752 Ω serves as a load at the end of a 50 Ω transmission line. We wish to connect an inductor, L, in series to the input of the line so that a source with an output impedance of 50 Ω does not see reflections. No need to know the frequency to solve the problem (a) Determine the minimum length of the transmission line in terms of wavelengths. (b) Determine the value...
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....
6. (15 pts) For the following circuit, there is a variable resistor as the load resistor....
6. (15 pts) For the following circuit, there is a variable resistor as the load resistor. Determine the value of R that results in maximum power transfer. V1 = 20 V, R1 = 10 Ω, R2 15 Ω, R3 5 Ω, what is the power that is dissipated in R at this value?
You have an antenna with an input impedance of Z (140 -j35)2 at f 120 MHz....
You have an antenna with an input impedance of Z (140 -j35)2 at f 120 MHz. You would like to match this load to a 70Ω transmission line using a single stub tuner (vp-2.2x108 m/s). Using the Smith chart, determine the distance d away from the load and the length l of a short-circuited parallel stub to accomplish the matching goal at the design frequency. Estimate the reduction in radiated power if the operating frequency is changed to f 125...
A radio transmitter is connected to an antenna having impedance 8 + j40 Ω with a 50 coaxial cable. If the transmitter can deliver 30 W to the load, how much power is delivered to the antenna? a....
A radio transmitter is connected to an antenna having impedance 8 + j40 Ω with a 50 coaxial cable. If the transmitter can deliver 30 W to the load, how much power is delivered to the antenna? a. (10 Marks) b. Alossless 50 ohms transmission line is connected to unknown load impedance. Voltage measurements along the line reveal that the maximum and minimum voltage values are (1)volts and (V2 - 1)volts respectively. The distance at which maximum voltage is observed...
Circuit Analysis in Electrical Engineering 4. A resistor and a capacitor are connected in series across a 270-V ac supply. When the frequency is 40 Hz, the current flowing in the circuit is 6.25...
Circuit Analysis in Electrical Engineering 4. A resistor and a capacitor are connected in series across a 270-V ac supply. When the frequency is 40 Hz, the current flowing in the circuit is 6.25 A. When the frequency is 50 Hz, the current flowing in the circuit is 7.5 A Calculate the resistance and capacitance of the resistor and capacitor respectively. (99.97 μF; 16.798 Ω) If the resistor and capacitor are now connected in parallel across the 60-Hz supply, calculate...
Spring 2018 ス11 em 2. (15 pts.) A 200 Milz generator circuit with series impedance Zg...
Spring 2018 ス11 em 2. (15 pts.) A 200 Milz generator circuit with series impedance Zg 50 2 and voltage source given by Vs) 20 Sinfot 60) v is connected to a load Za-00-50/a through a 50- 3.7m long lossless transmission line (Figure 2). The phase velocity of the line is 2*10° m/s. Find: : Distance from the load, in meters, of the voltage minimum nearest to thel l. Number of locations on the transmission line at which the voltage...
12. For a three-phase balanced system, a generator serves a remote load through two parallel tran...
12. For a three-phase balanced system, a generator serves a remote load through two parallel transmission lines with 4 transformers. The system parameters are as follows: Generator: T1: (A-Y, with Y side voltage leading) T2: (A-Y, with Y side voltage leading) T3: (A-Y, with Y side voltage leading) T4: (A-Y, with Y side voltage leading) Line-1 Line-2 Load 100MVA, 21kV, x-0.15pu 120MVA, 20Д/165Y kV, x-O.12pu 80MVA, 20A/1 10Y kV, x-O.1pu 120MVA, 165A/33Y kV, x-0.12pu 80MVA, 11ОД/33Y kV, x-O.1pu 30+j100 O...
Reinforcement Problem # 6 (15 pts.) A) Given For the AC circuit in the frequency domain...
Reinforcement Problem # 6 (15 pts.) A) Given For the AC circuit in the frequency domain given: 420 A ( 22 2j2 B) Determine Determine: 1) The Thévenin equivalent circuit with respect to the terminals "a" and "b 2) The impedance Zi for a maximum average power transfer to the load. 3) The value of the maximum average power at the load Zu. Evaluation Criteria Rubric for Reinforcement Problem # 6 Points Activities Answer 1) Answer 2) Answer 3) Show...
In a radio frequency circuit, a resistance of 175 Ω serves as a
load at the end of a 50 Ω transmission line. We want to use a
shorted stub in parallel to achieve maximum power transfer. Use the
Smith Chart Diagram
Determine the minimum distance in wavelengths from the charge,
that the stub must be connected.
Determine the minimum length of the stub in wavelengths.
Please write clearly to see it right
Smith Chart
Smith Chart
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....
6. (15 pts) For the following circuit, there is a variable resistor as the load resistor. Determine the value of R that results in maximum power transfer. V1 = 20 V, R1 = 10 Ω, R2 15 Ω, R3 5 Ω, what is the power that is dissipated in R at this value?
You have an antenna with an input impedance of Z (140 -j35)2 at f 120 MHz. You would like to match this load to a 70Ω transmission line using a single stub tuner (vp-2.2x108 m/s). Using the Smith chart, determine the distance d away from the load and the length l of a short-circuited parallel stub to accomplish the matching goal at the design frequency. Estimate the reduction in radiated power if the operating frequency is changed to f 125...
A radio transmitter is connected to an antenna having impedance 8 + j40 Ω with a 50 coaxial cable. If the transmitter can deliver 30 W to the load, how much power is delivered to the antenna? a. (10 Marks) b. Alossless 50 ohms transmission line is connected to unknown load impedance. Voltage measurements along the line reveal that the maximum and minimum voltage values are (1)volts and (V2 - 1)volts respectively. The distance at which maximum voltage is observed...
Circuit Analysis in Electrical Engineering 4. A resistor and a capacitor are connected in series across a 270-V ac supply. When the frequency is 40 Hz, the current flowing in the circuit is 6.25 A. When the frequency is 50 Hz, the current flowing in the circuit is 7.5 A Calculate the resistance and capacitance of the resistor and capacitor respectively. (99.97 μF; 16.798 Ω) If the resistor and capacitor are now connected in parallel across the 60-Hz supply, calculate...
Spring 2018 ス11 em 2. (15 pts.) A 200 Milz generator circuit with series impedance Zg 50 2 and voltage source given by Vs) 20 Sinfot 60) v is connected to a load Za-00-50/a through a 50- 3.7m long lossless transmission line (Figure 2). The phase velocity of the line is 2*10° m/s. Find: : Distance from the load, in meters, of the voltage minimum nearest to thel l. Number of locations on the transmission line at which the voltage...
12. For a three-phase balanced system, a generator serves a remote load through two parallel transmission lines with 4 transformers. The system parameters are as follows: Generator: T1: (A-Y, with Y side voltage leading) T2: (A-Y, with Y side voltage leading) T3: (A-Y, with Y side voltage leading) T4: (A-Y, with Y side voltage leading) Line-1 Line-2 Load 100MVA, 21kV, x-0.15pu 120MVA, 20Д/165Y kV, x-O.12pu 80MVA, 20A/1 10Y kV, x-O.1pu 120MVA, 165A/33Y kV, x-0.12pu 80MVA, 11ОД/33Y kV, x-O.1pu 30+j100 O...
Reinforcement Problem # 6 (15 pts.) A) Given For the AC circuit in the frequency domain given: 420 A ( 22 2j2 B) Determine Determine: 1) The Thévenin equivalent circuit with respect to the terminals "a" and "b 2) The impedance Zi for a maximum average power transfer to the load. 3) The value of the maximum average power at the load Zu. Evaluation Criteria Rubric for Reinforcement Problem # 6 Points Activities Answer 1) Answer 2) Answer 3) Show...
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