P-band broadband low-loss one-to-six power divider

Abstract

The invention relates to the technical field of power distribution, and discloses a P-band broadband low-loss one-to-six power divider which comprises a shell, the left side of the shell is provided with an input interface, the front side of the shell is provided with six output interfaces, the interior of the shell is fixedly connected with a first protection shell, the left side of the first protection shell is provided with a first input port, and the right side of the first protection shell is provided with a second input port. A first transmission line is fixedly connected to the interior of the first protection shell, a plurality of resistors are arranged in the first transmission line, two first output ports are fixedly connected to the rear side of the first transmission line, and two second protection shells are fixedly connected to the upper side of the first protection shell. The cascade design of the one-to-two power divider and the one-to-three power divider is adopted, and six-port signal distribution is successfully achieved. And high-efficiency power distribution is achieved, and the transmission loss is less than 0.4 dB. The problem of high loss in the traditional design is solved, the power loss is reduced, and the signal transmission efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of power distribution, in particular to a P-band broadband low-loss one-to-six power divider. Background Art

[0002] As an important passive microwave device, power divider is widely used in communication systems, radar, satellite communications and other fields. Its basic function is to distribute the power of one input port to multiple output ports, or to combine the power of multiple input ports into a power combination of one output port. There are many options for the transmission line structure of the power divider, including microstrip structure, coaxial line structure, waveguide structure, etc. Among them, the waveguide structure is particularly suitable for high-frequency signal transmission because it has lower conductor loss and radiation loss in the high-frequency band. Therefore, it has been widely used in high-frequency applications such as millimeter wave and P-band.

[0003] Traditional waveguide power dividers usually use standard rectangular waveguide sizes for transmission when transmitting power, but due to the certain transmission loss of standard waveguide sizes, this limits its application effect in high-frequency systems. When the size of the waveguide increases, high-order mode interference (i.e., mode conversion) becomes more obvious, further affecting the transmission quality and stability of the signal. Therefore, choosing the right waveguide size is crucial to ensure the stability of signal quality and power distribution. The Wilkinson power divider has become one of the most common power synthesis and signal distribution devices in microwave circuits due to its good amplitude-phase characteristics and simple design. The Wilkinson power divider can achieve efficient and uniform distribution of signals between multiple ports, and maintain low signal loss and high isolation, so it has been widely used in antenna arrays, microwave circuits, radars and other systems. However, when processing high-frequency signals, especially P-band signals, the traditional Wilkinson power divider still has certain limitations in bandwidth and loss control, and cannot fully meet the requirements of high-efficiency broadband communication systems and radar systems for low-loss, high-bandwidth signal distribution. For this reason, those skilled in the art propose a P-band broadband low-loss one-to-six power divider to solve the above problems. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present invention provides a P-band broadband low-loss one-to-six power divider, which solves the problems of frequency band limitation and signal loss in the prior art.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a P-band broadband low-loss one-to-six power divider, comprising a shell, an input interface is arranged on the left side of the shell, six output interfaces are arranged on the front side of the shell, a protective shell one is fixedly connected to the inside of the shell, an input port one is arranged on the left side of the protective shell one, a transmission line one is fixedly connected to the inside of the protective shell one, a plurality of resistors are arranged inside the transmission line one, two output ports one are fixedly connected to the rear side of the transmission line one, two protective shells two are fixedly connected to the upper side of the protective shell one, an input port two is arranged on the rear side of the protective shell two, a transmission line two is fixedly connected to the inside of the protective shell two, and three output ports two are fixedly connected to the front side of the transmission line two.

[0006] Preferably, the left side of the transmission line 1 is connected to the right side of the input port 1, and signal isolation is provided through a plurality of resistors.

[0007] Preferably, the input port 1 is connected to the input interface of the housing to ensure matching of signal input and transmission.

[0008] Preferably, the two output ports 1 are respectively connected to the two input ports 2 in the two protective shells 2 for further signal distribution.

[0009] Preferably, the second input port is connected to the second transmission line and transmits the signal to the subsequent port.

[0010] Preferably, the output port 2 matches the output interface of the housing to achieve final distribution of the signal.

[0011] Preferably, the housing is a metal housing to ensure the anti-interference capability of the device and enhance the signal transmission quality.

[0012] Preferably, the housing adopts a closed design to prevent external environmental interference and signal leakage.

[0013] Preferably, both the protective shell 1 and the protective shell 2 are made of high-strength plastic to ensure the solidity and shock resistance of the structure.

[0014] Preferably, both the transmission line 1 and the transmission line 2 are made of superconducting materials to reduce signal loss.

[0015] The present invention provides a P-band broadband low-loss one-to-six power divider. It has the following beneficial effects:

[0016] 1. The present invention adopts a cascade design of a one-to-two power splitter and a one-to-three power splitter, and successfully realizes six-port signal distribution. High-efficiency power distribution is achieved, and the transmission loss is less than 0.4dB. Compared with the solution of using multiple one-to-two power splitters in cascade in the prior art, it solves the problem of high loss in the traditional design, reduces power loss, and improves signal transmission efficiency.

[0017] 2. The design of the present invention uses superconducting materials as transmission lines, which significantly reduces the transmission loss of signals. Through this technical solution, signal transmission is more efficient and has a wider bandwidth. Compared with the design using ordinary materials in the prior art, it solves the problem of large signal attenuation and improves transmission stability and signal quality.

[0018] 3. The present invention provides better signal isolation in the transmission line by optimizing the configuration of resistors, ensuring high isolation between ports. Low interference and high stability in the signal distribution process are achieved. Compared with traditional methods, this solution effectively avoids signal crosstalk and improves the reliability and overall performance of the system.

[0019] 4. The present invention adopts a closed metal shell design to effectively block external electromagnetic interference, enhance the anti-interference ability of the power divider and the transmission quality of the signal. Compared with the open design in the prior art, it solves the problem of the greater impact of external noise on the system and ensures the normal operation of the system in harsh environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A perspective view of the present invention;

[0021] Figure 2 This is a schematic diagram of the second structure of the protective shell of the present invention;

[0022] Figure 3 It is a schematic diagram of the resistor structure of the present invention;

[0023] Figure 4 It is a schematic diagram of the structure of the output port 2 of the present invention;

[0024] Figure 5 It is a schematic diagram of the input standing wave simulation result of the present invention;

[0025] Figure 6 It is a schematic diagram of the insertion loss simulation result of the present invention;

[0026] Figure 7 It is a schematic diagram of the port isolation simulation results of the present invention.

[0027] Among them, 1. outer shell; 2. input interface; 3. output interface; 4. protective shell one; 5. input port one; 6. transmission line one; 7. resistor; 8. output port one; 9. protective shell two; 10. input port two; 11. transmission line two; 12. output port two. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings of the present invention specification to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Please refer to the attached Figure 1 An embodiment of the present invention provides a P-band broadband low-loss one-to-six power divider, including a shell 1, which is a metal shell to ensure the anti-interference ability of the device and enhance the transmission quality of the signal. The shell 1 adopts a closed design to prevent external environmental interference and signal leakage. An input interface 2 is set on the left side of the shell 1, and six output interfaces 3 are set on the front side of the shell 1.

[0030] Specifically, the housing 1 is a metal housing to ensure the anti-interference ability of the device and enhance the transmission quality of the signal. The housing 1 adopts a closed design to prevent external environmental interference and signal leakage, and ensure the integrity and stability of the signal during transmission. An input interface 2 is provided on the left side of the housing 1. The input interface 2 is connected to the signal source and is used to receive input signals from the outside. The design of the input interface 2 ensures good compatibility with external devices and effectively reduces signal loss. Six output interfaces 3 are provided on the front side of the housing 1. The six output interfaces 3 are evenly distributed in front of the housing 1, and are used to distribute input signals to multiple channels. Each output interface 3 distributes the signal to different parts of the system through connection with the internal circuit.

[0031] Please refer to the attached Figure 2 and attached Figure 3 A protective shell 4 is fixedly connected to the inside of the shell 1, an input port 5 is arranged on the left side of the protective shell 4, and the input port 5 is connected to the input interface 2 of the shell 1 to ensure the matching of signal input and transmission. A transmission line 6 is fixedly connected to the inside of the protective shell 4, the left side of the transmission line 6 is connected to the right side of the input port 5, and signal isolation is provided through multiple resistors 7. Multiple resistors 7 are arranged inside the transmission line 6, and two output ports 8 are fixedly connected to the back side of the transmission line 6.

[0032] Specifically, a protective shell 4 is fixedly connected to the inside of the housing 1, and an input port 5 is arranged on the left side of the protective shell 4. The input port 5 is connected to the input interface 2 of the housing 1 to ensure the matching of the incoming and transmitted signals, and to ensure the integrity and effectiveness of the signal when passing through the transmission path. A transmission line 6 is fixedly connected to the inside of the protective shell 4, and the left side of the transmission line 6 is connected to the right side of the input port 5, and a plurality of resistors 7 are used to provide signal isolation to ensure that the signals do not interfere with each other between the multiple output ports. A plurality of resistors 7 are arranged inside the transmission line 6, and these resistors 7 are arranged at key positions of the transmission line 6 to optimize the transmission quality of the signal, reduce unnecessary signal loss, and ensure the accuracy of impedance matching during the transmission process. Two output ports 8 are fixedly connected to the rear side of the transmission line 6, and the output port 8 completes the task of one-to-two signal distribution, evenly distributes the input signal to the subsequent circuit, and ensures the stable transmission of the signal quality.

[0033] Please refer to the attached Figure 2 and attached Figure 4 Two protective shells 2 9 are fixedly connected to the upper side of the protective shell 1 4. Both the protective shell 1 4 and the protective shell 2 9 are made of high-strength plastic to ensure the firmness and shock resistance of the structure. An input port 2 10 is arranged on the rear side of the protective shell 2 9. Two output ports 1 8 are respectively connected to the input ports 2 10 in the two protective shells 2 9 for continuing to distribute signals. A transmission line 2 11 is fixedly connected inside the protective shell 2 9. Both the transmission line 1 6 and the transmission line 2 11 are made of superconducting materials to reduce signal loss. The input port 2 10 is connected to the transmission line 2 11 and transmits the signal to the subsequent port. Three output ports 2 12 are fixedly connected to the front side of the transmission line 2 11. The output port 2 12 matches the output interface 3 of the shell 1 to realize the final distribution of the signal.

[0034] Specifically, two protective shells 29 are fixedly connected to the upper side of the protective shell 1 4. Both the protective shell 1 4 and the protective shell 2 9 are made of high-strength plastic to ensure the firmness and shock resistance of the structure, and can effectively protect the internal circuit from external shocks and vibrations. An input port 2 10 is set on the rear side of the protective shell 2 9, and two output ports 1 8 are respectively connected to the input ports 2 10 in the two protective shells 2 9 for continuing to distribute signals and ensuring the smooth transmission of signals between multiple paths. A transmission line 2 11 is fixedly connected inside the protective shell 2 9. Both the transmission line 1 6 and the transmission line 2 11 are made of superconducting materials to reduce signal loss, improve transmission efficiency, and ensure that the transmission quality of the signal is optimally performed within the P-band frequency band. The input port 2 10 is connected to the transmission line 2 11 and transmits the signal to the subsequent port. The transmission line 2 11 ensures the effective distribution of the signal between multiple ports through precise design. Three output ports 2 12 are fixedly connected to the front side of the transmission line 2 11. The output port 2 12 matches the output interface 3 of the housing 1, and finally realizes the power distribution of the six output ports. Through the cascade design of the one-to-three power splitter and the one-to-two power splitter, a high-efficiency six-port signal distribution is achieved.

[0035] Please refer to the attached Figure 5 -Attached Figure 7 Specifically, the input standing wave simulation results show that the reflection loss (S11) of input interface 2 remains low in the entire working frequency band, ensuring good signal matching. In the simulation result chart, the input standing wave changes with frequency and shows a very low standing wave ratio, which means that the effective transmission of the input signal is not disturbed, and the system can work stably in different frequency ranges.

[0036] The insertion loss simulation results further demonstrate the low-loss characteristics of the power divider. The insertion loss simulation graph shows that the signal attenuation is very small when passing through the power divider, and the transmission loss is kept below 0.4dB, which is a significant advantage for broadband power dividers. This means that the power divider introduces almost no unnecessary loss when distributing the signal, further improving the efficiency of the overall system.

[0037] The simulation results of port isolation show that the power divider has very high isolation between the output interfaces 3. The chart shows that the isolation between the output interfaces 3 exceeds 65dB, ensuring the clarity of signal distribution, without unnecessary crosstalk, and the signals will not interfere with each other. The high isolation design ensures the independence between different channels and improves the overall performance of the system, especially in applications that require high-precision signal processing.

[0038] Working principle: First, the input signal enters through the input interface 2 of the housing 1, and is transmitted to the transmission line 6 through the input port 1 5. The input port 1 5 is connected to the input interface 2 of the housing 1 to ensure the matching and stability of the signal transmission.

[0039] Secondly, when the signal passes through the transmission line 6, the built-in multiple resistors 7 are used to isolate the signal, reduce interference and loss between signals, and ensure signal quality. The rear side of the transmission line 6 is connected to two output ports 8 to distribute the signal to the subsequent circuit.

[0040] Then, the output port 1 8 is connected to the input port 2 10 in the two protective shells 2 9 respectively, and the signal continues to be transmitted along the transmission line 2 11. Both the transmission line 1 6 and the transmission line 2 11 are made of superconducting materials to reduce signal loss and improve transmission efficiency.

[0041] Next, the signal is transmitted from the transmission line 2 11 to the three output ports 2 12. The front side of the transmission line 2 11 is fixedly connected to the three output ports 2 12 for further signal distribution. At this time, through the cascade of a one-to-two power divider and a one-to-three power divider, the input signal is successfully distributed to the six output ports 2 12, completing the one-to-six signal distribution.

[0042] Finally, the six output ports 2 12 distribute the signals to external devices through the output interface 3 of the housing 1, thereby achieving final signal output and distribution, ensuring uniform distribution of the signals among multiple devices, and achieving the purpose of low loss and efficient transmission.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A P-band broadband low-loss one-to-six power splitter, comprising a housing (1), characterized in that: An input interface (2) is arranged on the left side of the shell (1), six output interfaces (3) are arranged on the front side of the shell (1), a protective shell (4) is fixedly connected inside the shell (1), an input port (5) is arranged on the left side of the protective shell (4), a transmission line (6) is fixedly connected inside the protective shell (4), a plurality of resistors (7) are arranged inside the transmission line (6), two output ports (8) are fixedly connected to the rear side of the transmission line (6), two protective shells (9) are fixedly connected to the upper side of the protective shell (4), an input port (10) is arranged on the rear side of the protective shell (9), a transmission line (11) is fixedly connected inside the protective shell (9), and three output ports (12) are fixedly connected to the front side of the transmission line (11).

2. A P-band broadband low-loss one-to-six power divider according to claim 1, characterized in that: The left side of the transmission line 1 (6) is connected to the right side of the input port 1 (5), and signal isolation is provided through a plurality of resistors (7).

3. The P-band broadband low-loss one-to-six power divider according to claim 1, characterized in that: The input port 1 (5) is connected to the input interface (2) of the housing (1) to ensure matching of signal input and transmission.

4. The P-band broadband low-loss one-to-six power divider according to claim 1, characterized in that: The two output ports 1 (8) are respectively connected to the input ports 2 (10) in the two protective shells 2 (9) for further signal distribution.

5. The P-band broadband low-loss one-to-six power divider according to claim 1, characterized in that: The input port 2 (10) is connected to the transmission line 2 (11) and transmits the signal to the subsequent port.

6. The P-band broadband low-loss one-to-six power divider according to claim 1, characterized in that: The output port 2 (12) matches the output interface (3) of the housing (1) to achieve final distribution of the signal.

7. The P-band broadband low-loss one-to-six power divider according to claim 1, characterized in that: The housing (1) is a metal housing to ensure the anti-interference capability of the device and enhance the signal transmission quality.

8. The P-band broadband low-loss one-to-six power divider according to claim 1, characterized in that: The housing (1) adopts a closed design to prevent external environmental interference and signal leakage.

9. The P-band broadband low-loss one-to-six power divider according to claim 1, characterized in that: The protective shell 1 (4) and the protective shell 2 (9) are both made of high-strength plastic to ensure the structural firmness and shock resistance.

10. The P-band broadband low-loss one-to-six power divider according to claim 1, characterized in that: The transmission line 1 (6) and the transmission line 2 (11) are both made of superconducting materials to reduce signal loss.

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