One-to-sixty-four power divider

Abstract

The utility model discloses a one-to-sixty-four power divider, which belongs to the technical field of signal processing, and comprises six stages of power dividing units, each stage of power dividing unit comprises 2n-1 one-to-two power dividers, two output ends of each one-to-two power divider are respectively connected with input ends of two one-to-two power dividers of the next stage, and the two output ends of each one-to-two power divider are respectively connected with the input ends of the two one-to-two power dividers of the next stage. The technical problem of a one-to-sixty-four-path power divider which has a progressive structure and can be used for distributing and processing complex signals is solved, the mutual influence between each stage and each power divider can be greatly reduced, the two output ends can be ensured to be equal in phase, small in size and easy to implement, the deviation problem of 90-degree or 180-degree phase difference of a bridge is solved, and the power divider is suitable for being used for a power divider of a single-to-sixty-four-path power divider of a single-to-sixty-four-path power divider. Compared with the prior art, the bridge has the advantages in the aspect of realizing a large deviation distribution ratio, the producibility of the bridge is greatly improved, the cost is greatly reduced, the phase modulation branches are arranged at the front end and the tail end in the 64-path power divider, phase errors caused by processing and assembling can be well repaired, and the producibility is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of signal processing, and particularly relates to a one-to-sixty-four power divider. Background Art

[0002] There is no such type of power divider on the market. The current mainstream design of power dividers is to use the Wilkinson power divider mode. When the Wilkinson power divider achieves a large deviation in the distribution ratio, the transmission line width of the small distribution ratio branch will be relatively narrow, the processing is difficult, and the processing and production requirements are particularly high. In addition, the index deterioration caused by the processing error increases exponentially. The isolation resistor of the Wilkinson power divider uses a 100 ohm resistor. Since there are still many difficulties in achieving high frequency and high power with a 100 ohm resistor, the isolation degree and output port reflection coefficient of the Wilkinson power divider mode are relatively poor at high frequency or high power. Another power division method is to use a 3dB bridge to achieve power division. The phase deviation of the two output ports is 90° or 180 degrees. If an external phase adjustment branch is added to adjust the two output phases to be consistent, the adjustment is difficult and the volume will be more than doubled. Due to the large adjustment range, the slope of the phase of the two output ports will also deviate. Utility Model Content

[0003] The utility model aims to provide a one-to-sixty-four power divider, which solves the technical problem of a one-to-sixty-four-way power divider with a progressive structure and can be used for the distribution and processing of complex signals.

[0004] To achieve the above purpose, the utility model adopts the following technical solution: a one-to-sixty-four power divider, including six-level power division units, each level of power division unit includes 2 n-1 A one-to-two power divider, where n represents the number of stages, and its value is a positive integer from 1 to 6;

[0005] For the first to fifth power splitters, the two output ends of each one-to-two power splitter are respectively connected to the input ends of the two one-to-two power splitters of the next stage;

[0006] The input end of the one-to-two power divider of the first-stage power dividing unit is connected to the external input signal;

[0007] 2 of the sixth power subunit 6-1 The 64 output ends of the one-to-two power divider are respectively connected to 64 output interfaces, and the 64 output interfaces output 64 output signals to the outside.

[0008] Preferably, the 2 n-1 Each one-to-two power splitter has a one-to-two power splitter with different distribution ratios.

[0009] Preferably, the one-to-two power splitter is an independent module component.

[0010] Preferably, the one-to-two power divider is a 0° bridge, retaining one input port and two output ports of the 0° bridge, the isolation resistor is a 50 ohm resistor, the transmission line of the 0° bridge adopts an air stripline transmission line with a thickness of 0.3 mm, and the input and output interfaces are ￠0.6 mm pin needles.

[0011] Preferably, the one-to-two power divider of the upper power division unit is connected to the one-to-two power divider of the lower power division unit via a connecting line, which is composed of an air dielectric strip line of a preset fixed length and a polytetrafluoroethylene dielectric column for support.

[0012] Preferably, the two connecting lines between the first-stage power division unit and the second-stage power division unit are respectively provided with two phase adjustment branches;

[0013] All the connection lines between the 64 output ends of the sixth-stage power division unit and the 64 output interfaces are respectively provided with 64 phase adjustment branches;

[0014] The phase adjustment range of the phase adjustment branch is ±5°.

[0015] The utility model discloses a one-to-sixty-four power divider, which solves the technical problem of a one-to-sixty-four-way power divider with a progressive structure and can be used for the distribution and processing of complex signals. It is formed by cascading discrete components, which can greatly reduce the mutual influence between each level and each power divider. The discrete power divider adopts a 0° bridge, and does not need to add a phase adjustment branch or a phase shifter, which can ensure that the two output ends are equal in phase. It is small in size and easy to implement, and solves the problem of the deviation of the bridge phase difference of 90° or 180°. The bridge has an advantage in achieving a large deviation distribution ratio. At present, a distribution ratio of 0.8dB / 8.5dB is achieved by conventional product processing and production methods. The minimum size of the transmission line is 0.3mm, which is convenient for processing and has low requirements on materials. If it is achieved by a traditional Wilkinson power divider, the minimum size is less than 0.1mm, which is difficult to process and has extremely high requirements on materials and assembly. The 0° bridge isolation resistor adopts a 50-ohm resistor. At present, the performance of 50-ohm resistors on the market is very excellent and the cost is relatively low, and it is also easy to find materials that meet various requirements. Under the same frequency and power requirements, the performance of 50 ohm resistors is far better than that of 100 ohm resistors, which greatly improves the manufacturability of the bridge and greatly reduces the cost. The 64-way power divider has phase adjustment branches at the front and end, which can effectively repair the phase error caused by processing and assembly, greatly improving productivity. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic block diagram of the utility model;

[0017] Figure 2 It is a curve diagram of the power ratio of each output port of the utility model. DETAILED DESCRIPTION

[0018] Depend on Figure 1-Figure 2 The one-to-sixty-four power divider shown in the figure includes six power divider units, each of which includes two n-1 A one-to-two power divider, where n represents the number of stages, and its value is a positive integer from 1 to 6;

[0019] 2 n-1 Each of the one-to-two power splitters is a one-to-two power splitter with different distribution ratios. The one-to-two power splitter is an independent module component.

[0020] The one-to-two power divider is a 0° bridge, which retains one input port and two output ports of the 0° bridge. The isolation resistor is a 50 ohm resistor. The transmission line of the 0° bridge adopts an air stripline transmission line with a thickness of 0.3mm, and the input and output interfaces are ￠0.6mm pins.

[0021] For the first to fifth power splitters, the two output ends of each one-to-two power splitter are respectively connected to the input ends of the two one-to-two power splitters of the next stage;

[0022] The one-to-two power divider of the upper power division unit is connected to the one-to-two power divider of the lower power division unit through a connecting line, which is composed of an air dielectric strip line with a preset fixed length and a polytetrafluoroethylene dielectric column for support.

[0023] The input end of the one-to-two power divider of the first-stage power dividing unit is connected to the external input signal;

[0024] 2 of the sixth power subunit 6-1 The 64 output ends of the one-to-two power divider are respectively connected to 64 output interfaces, and the 64 output interfaces output 64 output signals to the outside.

[0025] Two connecting lines between the first-stage power division unit and the second-stage power division unit are respectively provided with two phase adjustment branches;

[0026] All the connection lines between the 64 output ends of the sixth-stage power division unit and the 64 output interfaces are respectively provided with 64 phase adjustment branches;

[0027] The phase adjustment range of the phase adjustment branch is ±5°.

[0028] This embodiment realizes a new 0° bridge unequal power divider, and the specific connection method is as follows:

[0029] The connection method of the six-stage power splitter unit includes: the first-stage power splitter unit includes a one-to-two power splitter, which is recorded as a 1-1 power splitter, and the second-stage power splitter unit includes two one-to-two power splitters, which are recorded as a 2-1 power splitter and a 2-2 power splitter, respectively, and the input end of the 2-1 power splitter and the input end of the 2-2 power splitter are respectively connected to the two output ends of the 1-1 power splitter;

[0030] The third-level power division unit includes four power dividers, which are respectively recorded as 3-1 power divider, 3-2 power divider, 3-3 power divider and 3-4 power divider. The input end of 3-1 power divider and the input end of 3-2 power divider are respectively connected to the two output ends of 2-1 power divider, and the input end of 3-3 power divider and the input end of 23-4 power divider are respectively connected to the two output ends of 2-2 power divider.

[0031] The fourth-level power division unit includes 8 power dividers, which are respectively recorded as 4-1 power divider, 4-2 power divider, 4-3 power divider, 4-4 power divider, 4-5 power divider, 4-6 power divider, 4-7 power divider and 4-8 power divider. The input end of the 4-1 power divider and the input end of the 4-2 power divider are respectively connected to the two output ends of the 3-1 power divider, the input end of the 4-3 power divider and the input end of the 4-4 power divider are respectively connected to the two output ends of the 3-2 power divider, the input end of the 4-5 power divider and the input end of the 4-6 power divider are respectively connected to the two output ends of the 3-3 power divider, and the input end of the 4-7 power divider and the input end of the 4-8 power divider are respectively connected to the two output ends of the 3-4 power divider;

[0032] The fifth-level power division unit includes 16 power dividers, which are respectively recorded as 5-1 power divider, 5-2 power divider, 5-3 power divider, 5-4 power divider, 5-5 power divider, 5-6 power divider, 5-7 power divider, 5-8 power divider, 5-9 power divider, 5-10 power divider, 5-11 power divider, 5-12 power divider, 5-13 power divider, 5-14 power divider, 5-15 power divider and 5-16 power divider. The input end of the 5-1 power divider and the input end of the 5-2 power divider are connected to the two output ends of the 4-1 power divider respectively, the input end of the 5-3 power divider and the input end of the 5-4 power divider are connected to the two output ends of the 4-2 power divider respectively, and the input end of the 5-5 power divider is connected to the two output ends of the 4-2 power divider. and the input end of the 5-6 power divider are respectively connected to the two output ends of the 4-3 power divider, the input end of the 5-7 power divider and the input end of the 5-8 power divider are respectively connected to the two output ends of the 4-4 power divider, the input end of the 5-9 power divider and the input end of the 5-10 power divider are respectively connected to the two output ends of the 4-5 power divider, the input end of the 5-11 power divider and the input end of the 5-12 power divider are respectively connected to the two output ends of the 4-6 power divider, the input end of the 5-13 power divider and the input end of the 5-14 power divider are respectively connected to the two output ends of the 4-7 power divider, and the input end of the 5-15 power divider and the input end of the 5-16 power divider are respectively connected to the two output ends of the 4-8 power divider;

[0033] The sixth level power division unit includes 32 power dividers, which are respectively recorded as 6-1 power divider, 6-2 power divider, 6-3 power divider, 6-4 power divider, 6-5 power divider, 6-6 power divider, 6-7 power divider, 6-8 power divider, 6-9 power divider, 6-10 power divider, 6-11 power divider, 6-12 power divider, 6-13 power divider, 6-14 power divider, 6-15 power divider, 6-16 power divider, 6-17 power divider, 6-18 power divider, 6-19 power divider, 6-20 power divider, 6-21 power divider, 6-22 power divider, 6-23 power divider, 6-24 power divider, 6-25 power divider, 6-26 power divider, 6-27 power divider. , 6-28 power divider, 6-29 power divider, 6-30 power divider, 6-31 power divider and 6-32 power divider, the input end of 6-1 power divider and the input end of 6-2 power divider are connected to the two output ends of 5-1 power divider respectively, the input end of 6-3 power divider and the input end of 6-4 power divider are connected to the two output ends of 5-2 power divider respectively, the input end of 6-5 power divider and the input end of 6-6 power divider are connected to the two output ends of 5-3 power divider respectively, the input end of 6-7 power divider and the input end of 6-8 power divider are connected to the two output ends of 5-4 power divider respectively, the input end of 6-9 power divider and the input end of 6-10 power divider are connected to the two output ends of 5-5 power divider respectively The two output ends, the input end of the 6-11 power divider and the input end of the 6-12 power divider are connected to the two output ends of the 5-6 power divider respectively, the input end of the 6-13 power divider and the input end of the 6-14 power divider are connected to the two output ends of the 5-7 power divider respectively, the input end of the 6-15 power divider and the input end of the 6-16 power divider are connected to the two output ends of the 5-8 power divider respectively, the input end of the 6-17 power divider and the input end of the 6-18 power divider are connected to the two output ends of the 5-9 power divider respectively, the input end of the 6-19 power divider and the input end of the 6-20 power divider are connected to the two output ends of the 5-10 power divider respectively, the input end of the 6-21 power divider and the input end of the 6-22 power divider are connected to the two output ends of the 5-10 power divider respectively. The input end of the 6-23 power divider and the input end of the 6-24 power divider are connected to the two output ends of the 5-12 power divider respectively, the input end of the 6-25 power divider and the input end of the 6-26 power divider are connected to the two output ends of the 5-13 power divider respectively, the input end of the 6-27 power divider and the input end of the 6-28 power divider are connected to the two output ends of the 5-14 power divider respectively, the input end of the 6-29 power divider and the input end of the 6-30 power divider are connected to the two output ends of the 5-15 power divider respectively, and the input end of the 6-31 power divider and the input end of the 6-32 power divider are connected to the two output ends of the 5-16 power divider respectively.

[0034] In this embodiment, there are 2 6-1=63 one-to-two power splitters, and a total of 126 one-to-two power splitters for dual polarization.

[0035] The 63 power dividers in the single polarization are all one-to-two power dividers with different distribution ratios, and in the entire power divider, all one-to-two power dividers are independent module components. The maximum deviation distribution ratio is 0.8dB and 8.5dB for the two output ports, and the minimum deviation is 3dB for both outputs. The power divider is implemented as a 0° bridge, retaining one input port and two output ports of the bridge, and the isolation resistor is a 50 ohm resistor. The transmission line of the bridge uses an air stripline transmission line with a thickness of 0.3mm. The input and output interfaces are ￠0.6mm pins for easy connection at each level.

[0036] The 64-way power divider consists of 6 levels, each of which has a different distribution ratio, and the maximum distribution loss is 0.8dB / 8.5dB, so the distribution loss range of the 64-way output can be 4.8dB-51dB. By adjusting the distribution ratio of each bridge, any distribution ratio can be achieved.

[0037] The utility model discloses a one-to-sixty-four power divider, which solves the technical problem of a one-to-sixty-four-way power divider with a progressive structure and can be used for the distribution and processing of complex signals. It is formed by cascading discrete components, which can greatly reduce the mutual influence between each level and each power divider. The discrete power divider adopts a 0° bridge, and does not need to add a phase adjustment branch or a phase shifter, which can ensure that the two output ends are equal in phase. It is small in size and easy to implement, and solves the problem of the deviation of the bridge phase difference of 90° or 180°. The bridge has an advantage in achieving a large deviation distribution ratio. At present, a distribution ratio of 0.8dB / 8.5dB is achieved by conventional product processing and production methods. The minimum size of the transmission line is 0.3mm, which is convenient for processing and has low requirements on materials. If it is achieved by a traditional Wilkinson power divider, the minimum size is less than 0.1mm, which is difficult to process and has extremely high requirements on materials and assembly. The 0° bridge isolation resistor adopts a 50-ohm resistor. At present, the performance of 50-ohm resistors on the market is very excellent and the cost is relatively low, and it is also easy to find materials that meet various requirements. Under the same frequency and power requirements, the performance of 50 ohm resistors is far better than that of 100 ohm resistors, which greatly improves the manufacturability of the bridge and greatly reduces the cost. The 64-way power divider has phase adjustment branches at the front and end, which can effectively repair the phase error caused by processing and assembly, greatly improving productivity.

Claims

1. A one-to-sixty-four power divider, characterized in that: It includes six power division units, each of which includes 2 n-1 A one-to-two power divider, where n represents the number of stages, and its value is a positive integer from 1 to 6; For the first to fifth power splitters, the two output ends of each one-to-two power splitter are respectively connected to the input ends of the two one-to-two power splitters of the next stage; The input end of the one-to-two power divider of the first-stage power dividing unit is connected to the external input signal; 2 of the sixth power subunit 6-1 The 64 output ends of the one-to-two power divider are respectively connected to 64 output interfaces, and the 64 output interfaces output 64 output signals to the outside.

2. The one-to-sixty-four power divider as claimed in claim 1, characterized in that: 2 n-1 Each one-to-two power splitter has a one-to-two power splitter with different distribution ratios.

3. The one-to-sixty-four power divider as claimed in claim 1, characterized in that: The one-to-two power divider is an independent module component.

4. The one-to-sixty-four power divider as claimed in claim 1, characterized in that: The one-to-two power divider is a 0° bridge, which retains one input port and two output ports of the 0° bridge. The isolation resistor is a 50 ohm resistor. The transmission line of the 0° bridge adopts an air stripline transmission line with a thickness of 0.3mm, and the input and output interfaces are ￠0.6mm pins.

5. The one-to-sixty-four power divider as claimed in claim 1, characterized in that: The one-to-two power divider of the upper power division unit is connected to the one-to-two power divider of the lower power division unit through a connecting line, which is composed of an air dielectric strip line with a preset fixed length and a polytetrafluoroethylene dielectric column for support.

6. The one-to-sixty-four power divider as claimed in claim 5, characterized in that: Two connecting lines between the first-stage power division unit and the second-stage power division unit are respectively provided with two phase adjustment branches; All the connection lines between the 64 output ends of the sixth-stage power division unit and the 64 output interfaces are respectively provided with 64 phase adjustment branches; The phase adjustment range of the phase adjustment branch is ±5°.

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