![[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. ·](http://img.homeworklib.com/questions/59644e50-8b48-11eb-bb11-47aac0926d0b.png?x-oss-process=image/resize,w_560)
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[50] You have a load with impedance (10+j10)? at the design frequency, f-100 MHz, that you...
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...
ZL in problem 1: (15+j25) Ohms Problem 2: Quarter Wave Transformers a) Consider the load Zi...
ZL in problem 1: (15+j25) Ohms
Problem 2: Quarter Wave Transformers a) Consider the load Zi of Problem 1. Build a matching network using a quarter wave transformer and a λ/8 shunt stub. Specify whether the shunt is an open or a short stub OPEN 50 Ω 0 SHORT? V4 /8 Figure 1: Matching network for a) b) Do Problem 1 using for the matching network a quarter wave transformer with a 50Ω transmission line in series with the load...
A transmission line with characteristic impedance of 100 ? is connected to a 200+j400 ? load....
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.
6. Design two single-stub matching networks as shown below. Transform the load impedance Z (60 j45) Ω to match an input impedance of Z,-(75+j90)Ω. Assume that both the stub and the transmission line...
6. Design two single-stub matching networks as shown below. Transform the load impedance Z (60 j45) Ω to match an input impedance of Z,-(75+j90)Ω. Assume that both the stub and the transmission line shown below have a characteristic impedance of Zo-50 Ω. Zot I ZoL.l ZL lm in Open or -) : short circuit , open or short circuit
6. Design two single-stub matching networks as shown below. Transform the load impedance Z (60 j45) Ω to match an input...
For a load impedance with ZL = 60-180 Ohm, design two single-stub shunt tuning networks (see...
For a load impedance with ZL = 60-180 Ohm, design two single-stub shunt tuning networks (see Figure a) below) to match this load to a 50 Ohm source; use short-circuited stubs. Calculate transmission line and stub dimensions (length and width) if they are implemented as microstrip lines on FR4 which has thickness of 1.5 mm. ZIZ Figure 1. Single stub tuning circuits: a) shunt sub, b) series stub. (1) A. Behagl, RF and Microwave Circuit Design, Techno Search, 2017. ISBN...
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...
11.56 A 50 2 lossless transmission line that is 20 ml 120 + j220 Ω ossless transmission line that...
USE QUARTER-WAVE METHOD
11.56 A 50 2 lossless transmission line that is 20 ml 120 + j220 Ω ossless transmission line that is 20 m long is terminated into a load. To perfectly match, what should be the length and location of a short-circuited stub line? Assume an operating frequency of 10 MHz. am
11.56 A 50 2 lossless transmission line that is 20 ml 120 + j220 Ω ossless transmission line that is 20 m long is terminated into...
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...
Match a load impedance of 100 ‐ j100 Ω to a 50 Ω transmission line using...
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.
10. An antenna, characterized by Zi = 73+j42.5 Q, is fed by twin lead transmission line...
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.
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...
ZL in problem 1: (15+j25) Ohms
Problem 2: Quarter Wave Transformers a) Consider the load Zi of Problem 1. Build a matching network using a quarter wave transformer and a λ/8 shunt stub. Specify whether the shunt is an open or a short stub OPEN 50 Ω 0 SHORT? V4 /8 Figure 1: Matching network for a) b) Do Problem 1 using for the matching network a quarter wave transformer with a 50Ω transmission line in series with the load...
6. Design two single-stub matching networks as shown below. Transform the load impedance Z (60 j45) Ω to match an input impedance of Z,-(75+j90)Ω. Assume that both the stub and the transmission line shown below have a characteristic impedance of Zo-50 Ω. Zot I ZoL.l ZL lm in Open or -) : short circuit , open or short circuit
6. Design two single-stub matching networks as shown below. Transform the load impedance Z (60 j45) Ω to match an input...
For a load impedance with ZL = 60-180 Ohm, design two single-stub shunt tuning networks (see Figure a) below) to match this load to a 50 Ohm source; use short-circuited stubs. Calculate transmission line and stub dimensions (length and width) if they are implemented as microstrip lines on FR4 which has thickness of 1.5 mm. ZIZ Figure 1. Single stub tuning circuits: a) shunt sub, b) series stub. (1) A. Behagl, RF and Microwave Circuit Design, Techno Search, 2017. ISBN...
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...
USE QUARTER-WAVE METHOD
11.56 A 50 2 lossless transmission line that is 20 ml 120 + j220 Ω ossless transmission line that is 20 m long is terminated into a load. To perfectly match, what should be the length and location of a short-circuited stub line? Assume an operating frequency of 10 MHz. am
11.56 A 50 2 lossless transmission line that is 20 ml 120 + j220 Ω ossless transmission line that is 20 m long is terminated into...
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...
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.
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