- 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.
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In a radio frequency circuit, a resistance of 175 Ω serves as a load at the end of a 50 Ω transmi...
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.
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....
[50] You have a load with impedance (10+j10)? at the design frequency, f-100 MHz, that you...
[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. ·
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...
5. Double Stub Matching Network Design a double shunt open-circuit stub matching network to match a load impedance Z, = 80-j60 Ω to a 50 Ω air-filled line operating at frequency f = 1 GHz、The di...
5. Double Stub Matching Network Design a double shunt open-circuit stub matching network to match a load impedance Z, = 80-j60 Ω to a 50 Ω air-filled line operating at frequency f = 1 GHz、The distance between the stubs is,-/8. Sketch the resultant network and specify the line lengths in millimeters.
5. Double Stub Matching Network Design a double shunt open-circuit stub matching network to match a load impedance Z, = 80-j60 Ω to a 50 Ω air-filled line operating...
If a l V rms signal source with an internal resistance of 50 Ω is connected...
If a l V rms signal source with an internal resistance of 50 Ω is connected to the amplifier in Figure what is the actual rms signal applied to the amplifier input? Assume Bac 200 +15 V RI 1.0 kΩ 01 Di C3 02 75 Ω 1.0 kΩ Class C Power Amplifiers A certain class C amplifier transistor is on for 10 percent of the input cycle. If Veetsa) 0.18 V and Ie(sa)25 mA, what is the average power dissipation...
A balanced delta connected load of 15+?18 Ω per phase is connected at the end of...
A balanced delta connected load of 15+?18 Ω per phase is
connected at the end of a three-phase line as shown in Figure 1.
The line impedance is 1+?2 Ω per phase. The line is supplied from a
three-phase source with a line-to-line voltage of 207.85 V rms.
Taking the phase voltage ??? as reference, determine:
1. Total complex powers of the line and the load.
2.A delta connected capacitor bank is connected in parallel with
the load to improve...
Make a sketch below of a balanced Y-connected resistive load, having a resistance of 300 S2 per p...
Please do draw the two circuit and calculate the
theoretical values.
Make a sketch below of a balanced Y-connected resistive load, having a resistance of 300 S2 per phase, connected to the power supply, with an ammeter connected in each line/phase, and a voltmeter across each phase. Knowing that Vi-1 is 208 V, determine the expected current- and volt-meter readins, and record these values in the table below. Please 3. use the actual components in the lab. Table 2 Y-connected...
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...
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....
[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. ·
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...
5. Double Stub Matching Network Design a double shunt open-circuit stub matching network to match a load impedance Z, = 80-j60 Ω to a 50 Ω air-filled line operating at frequency f = 1 GHz、The distance between the stubs is,-/8. Sketch the resultant network and specify the line lengths in millimeters.
5. Double Stub Matching Network Design a double shunt open-circuit stub matching network to match a load impedance Z, = 80-j60 Ω to a 50 Ω air-filled line operating...
If a l V rms signal source with an internal resistance of 50 Ω is connected to the amplifier in Figure what is the actual rms signal applied to the amplifier input? Assume Bac 200 +15 V RI 1.0 kΩ 01 Di C3 02 75 Ω 1.0 kΩ Class C Power Amplifiers A certain class C amplifier transistor is on for 10 percent of the input cycle. If Veetsa) 0.18 V and Ie(sa)25 mA, what is the average power dissipation...
A balanced delta connected load of 15+?18 Ω per phase is
connected at the end of a three-phase line as shown in Figure 1.
The line impedance is 1+?2 Ω per phase. The line is supplied from a
three-phase source with a line-to-line voltage of 207.85 V rms.
Taking the phase voltage ??? as reference, determine:
1. Total complex powers of the line and the load.
2.A delta connected capacitor bank is connected in parallel with
the load to improve...
Please do draw the two circuit and calculate the
theoretical values.
Make a sketch below of a balanced Y-connected resistive load, having a resistance of 300 S2 per phase, connected to the power supply, with an ammeter connected in each line/phase, and a voltmeter across each phase. Knowing that Vi-1 is 208 V, determine the expected current- and volt-meter readins, and record these values in the table below. Please 3. use the actual components in the lab. Table 2 Y-connected...
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...
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