Equal-amplitude and equal-phase power distribution / synthesis network architecture

Abstract

The invention relates to an equal-amplitude equal-phase power distribution / synthesis network architecture which comprises an input layer and an output layer, and a plurality of transmission layers are arranged between the input layer and the output layer. Each transmission layer comprises a plurality of equilateral triangle transmission networks which are alternately arranged in a positive and negative manner; the input port on the input layer is arranged at the vertex position of the equilateral triangle transmission network of the transmission layer in contact with the input layer, and the output port on the output layer is arranged at the vertex position of the equilateral triangle transmission network of the transmission layer in contact with the output layer; and radio frequency wires from any one input port on the input layer to any one output port on the output layer are arranged on the edges of the equilateral triangle transmission network and are equal in length. According to the invention, the design complexity can be reduced.

Description

Technical Field

[0001] The present invention relates to the field of communication technology, and in particular to an equal-amplitude and equal-phase power distribution / synthesis network architecture. Background Art

[0002] In order to achieve equal-amplitude and equal-phase power distribution, a one-to-two Wilkinson power divider is generally used. If you want to achieve a one-to-many equal-amplitude and equal-phase power distribution effect, you can implement a multi-stage cascade of the one-to-two Wilkinson power divider. A similar design can also be used for a multi-input and multi-output equal-amplitude and equal-phase power distribution network. However, there are three problems with this structure and implementation method, namely: (1) The circuit structures corresponding to different input and output ports are very different. Once the number of input and output ports changes, the power distribution or synthesis network structure must be redesigned; (2) The design complexity is high. In order to ensure equal-amplitude and same-phase power distribution, the length, width, size and position of the routing need to be designed separately; (3) The area occupied is large. Because it is based on the Wilkinson power divider structure, it must meet some requirements of the Wilkinson power divider, which is relatively limited in layout and will occupy a relatively large area. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide an equal-amplitude and equal-phase power distribution / synthesis network architecture to reduce the design complexity.

[0004] The technical solution adopted by the present invention to solve its technical problems is: to provide an equal-amplitude and equal-phase power distribution / synthesis network architecture, including an input layer and an output layer, wherein multiple transmission layers are arranged between the input layer and the output layer; each transmission layer includes a plurality of equilateral triangle transmission networks arranged alternately in positive and negative directions; the input port on the input layer is arranged at the vertex position of the equilateral triangle transmission network of the transmission layer in contact with the input layer, and the output port on the output layer is arranged at the vertex position of the equilateral triangle transmission network of the transmission layer in contact with the output layer; the RF routing from any input port on the input layer to any output port on the output layer is arranged on the edge of the equilateral triangle transmission network and has equal length.

[0005] When there are multiple radio frequency lines on one side of the equilateral triangle transmission network, the radio frequency lines are isolated by parallel ground shielding lines.

[0006] When the multiple RF routing lines cross each other, staggered routing is adopted and a ground shielding layer is added between the RF routing lines.

[0007] Beneficial Effects

[0008] Due to the adoption of the above technical solution, the present invention has the following advantages and positive effects compared with the prior art: each RF line in the present invention does not need to be designed separately, and only needs to select a suitable path and connect the lines, thereby reducing the complexity of the design. At the same time, the area occupied by the present invention is mainly related to the number of input ports and output ports. When the input ports and output ports are fixed, the area occupied by the present invention is smaller than that of the Wilkinson power divider structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 is a schematic diagram of an equal-amplitude equal-phase power distribution / synthesis network architecture according to an embodiment of the present invention;

[0010] Figure 2 Schematic diagram of RF routing of four inputs and four outputs in an embodiment of the present invention;

[0011] Figure 3 is a three-dimensional view of the radio frequency routing in an embodiment of the present invention;

[0012] Figure 4 is a cross-sectional view of a radio frequency trace in an embodiment of the present invention;

[0013] Figure 5 It is a cross-sectional three-dimensional view of the radio frequency routing in an embodiment of the present invention. DETAILED DESCRIPTION

[0014] The present invention will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms fall within the scope limited by the appended claims of the application equally.

[0015] The embodiments of the present invention relate to an equal amplitude and equal phase power distribution / synthesis network architecture, such as Figure 1 As shown, it includes an input layer and an output layer, and multiple transmission layers are arranged between the input layer and the output layer; each transmission layer includes a plurality of equilateral triangle transmission networks arranged alternately in positive and negative directions; the input port on the input layer is arranged at the vertex position of the equilateral triangle transmission network of the transmission layer in contact with the input layer, and the output port on the output layer is arranged at the vertex position of the equilateral triangle transmission network of the transmission layer in contact with the output layer; the RF routing from any input port on the input layer to any output port on the output layer is arranged on the edge of the equilateral triangle transmission network and has equal length.

[0016] Take the four-input and four-output equal-amplitude and equal-phase power distribution / synthesis network architecture as an example. Figure 2As shown in the figure, 16 paths can be found from input ports inpu1~4 to output ports output1~4 respectively. The red parts in the figure are the 4 paths from input port input1 to output ports output1~4. The lengths of these 4 paths are 5 times the unit length (that is, the side length of the equilateral triangle transmission network). Figure 2 The yellow part in the middle is the 4 paths from the input port input2 to the output ports output1~4, the green part is the 4 paths from the input port input3 to the output ports output1~4, and the blue part is the 4 paths from the input port input4 to the output ports output1~4. The lengths of these paths are also 5 times the unit length. It can be seen that in this embodiment, the lengths of the 16 paths from the input ports inpu1~4 to the output ports output1~4 are all equal. By overlapping the RF traces according to the 16 paths, it can be ensured that the phase shift of the RF power after passing through the 16 RF traces is consistent. Because the impedance seen by the 4 input ports and the 4 output ports is the same, it can be considered reciprocal, so when the power is distributed from one input port to the output port, it will also be distributed with equal amplitude. Similarly, when the RF power is synthesized at the input port, it will be synthesized with equal amplitude by several paths.

[0017] When there are multiple radio frequency lines on one side of the equilateral triangle transmission network, the radio frequency lines are isolated by parallel ground shielding lines. Figure 3 and Figure 4 The figure shows the situation of four RF traces running in parallel on the same path. There are a total of four RF traces, and the RF traces are separated by parallel ground shielding lines to improve the isolation of the RF signal traces.

[0018] When the multiple RF lines are crossed, staggered lines are used and a ground shielding layer is added between the RF lines. Figure 5 An embodiment of RF cross routing is demonstrated. When RF lines are cross-routed, they are routed in a staggered manner, and a ground shielding layer is added between the RF lines to improve isolation.

[0019] It is not difficult to find that each RF line in the present invention does not need to be designed separately, and only needs to select a suitable path and connect it, thus reducing the complexity of the design. At the same time, the area occupied by the present invention is mainly related to the number of input ports and output ports. When the input ports and output ports are fixed, the area occupied by the present invention is smaller than that of the Wilkinson power divider structure.

Claims

1. An equal-amplitude and equal-phase power distribution / synthesis network architecture, characterized in that: It comprises an input layer and an output layer, wherein a plurality of transmission layers are arranged between the input layer and the output layer; each transmission layer comprises a plurality of equilateral triangle transmission networks which are arranged alternately in positive and negative directions; the input port on the input layer is arranged at the vertex position of the equilateral triangle transmission network of the transmission layer which contacts the input layer, and the output port on the output layer is arranged at the vertex position of the equilateral triangle transmission network of the transmission layer which contacts the output layer; the radio frequency routing from any input port on the input layer to any output port on the output layer is arranged on the edge of the equilateral triangle transmission network and has equal length.

2. The equal-amplitude equal-phase power distribution / synthesis network architecture according to claim 1 is characterized in that: When there are multiple radio frequency lines on one side of the equilateral triangle transmission network, the radio frequency lines are isolated by parallel ground shielding lines.

3. The equal-amplitude equal-phase power distribution / synthesis network architecture according to claim 1, characterized in that: When the multiple RF routing lines cross each other, staggered routing is adopted and a ground shielding layer is added between the RF routing lines.

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