A Design Method of Multipath Power Distribution/Combiner

A design method and synthesizer technology, applied to circuits, waveguide devices, connection devices, etc., can solve problems such as long simulation optimization time, difficulty in adding design and optimization, and difficulty in power distribution/combination, so as to save design and optimize time, reducing the effect of optimized parameters

Active Publication Date: 2022-03-15
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, more size parameters make the optimization process very difficult, resulting in longer simulation optimization time or failure to obtain results that meet the design requirements
When designing multiple devices with different N values ​​at the same time, it is more difficult to design and optimize, which brings difficulties to realize any N-channel power distribution / combination

Method used

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  • A Design Method of Multipath Power Distribution/Combiner
  • A Design Method of Multipath Power Distribution/Combiner
  • A Design Method of Multipath Power Distribution/Combiner

Examples

Experimental program
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Effect test

Embodiment 1

[0026] Set N=20, calculate according to step 1 to obtain the outer radius of the coaxial waveguide (1) b=51.46mm; according to step 2, take b-a=0.55λ=4.7mm, calculate and obtain the inner radius of the coaxial waveguide (1) a=46.76mm ;According to step 3, the size of the matching structure is calculated as follows: the fan-shaped slot (4_1) corresponds to the central angle Thickness L mi =4mm, the fan-shaped block (4_2) corresponds to the central angle L mo =0.5L mi =2mm; according to step 4, the model of the standard rectangular waveguide is BJ320 (7.112mm×3.556mm); according to step 5, the size of the straight trapezoidal transition waveguide structure (2) is: W 1 =3.556mm, W 2 =8.65mm, L t =7mm,L in = 1.5mm; Simulation modeling is carried out according to the device structure size calculated by the above steps, and the structure diagram is as follows figure 2 As shown, the lengths of the standard rectangular waveguide and the coaxial waveguide are both greater tha...

Embodiment 2

[0028] N=40 is set, and all the other steps are the same as in Embodiment 1. The dimensions of the device calculated through the design steps are respectively: b=99.57mm, a=94.87mm, L mo =0.5L mi = 2mm, W 1 =3.556mm, W 2 =8.65mm, L t =7mm,L in =1.5mm, the standard rectangular waveguide is BJ320 (7.112mm×3.556mm), and the waveguide length is 20mm. Through simulation modeling, it is obtained as image 3 In the structure shown, the lengths of the standard rectangular waveguide and the coaxial waveguide are both 20 mm. The S-parameters of this structure are calculated by simulation as Figure 5As shown, the insertion loss of the device at 35GHz is 0.11dB, and the insertion loss in the 34.51GHz-35.68GHz frequency band is less than 0.2dB.

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Abstract

The invention discloses a design method of a multipath power distribution / combiner, and relates to the technical field of millimeter wave power distribution / combination. The present invention obtains the functional relationship expression between the outer radius length b of the coaxial waveguide and the number of channels N in the radial power distribution / combiner based on the coaxial waveguide through simulation and numerical analysis, so the working wavelength λ and The initial size information of the device can be calculated by the number of device channels N, so as to quickly and easily design a radial power splitter / combiner that meets the requirements, reduce the parameters that need to be optimized during device design, and effectively save design and optimization time .

Description

technical field [0001] The present invention mainly relates to the technical field of millimeter wave power distribution / synthesis, in particular to a coaxial waveguide-based TE 01 A rapid design method for modular multi-channel power divider / combiner. Background technique [0002] In the millimeter wave band, the output power of a single power amplifier chip is very limited, but in engineering practice, power output of tens of watts or even higher is often required, which usually requires the use of power combining technology to complete. On the contrary, in some practical engineering application systems that do not require too much power input, a power divider is needed to distribute the large power source into the system in proportion, so it has become a hot topic to concentrate the power synthesis and distribution functions on one device Research. When designing such devices, waveguide-based space power combining technology is often adopted because of its high combinin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P5/12
CPCH01P5/12
Inventor 殷勇陈良萍刘海霞王延王彬李海龙蒙林
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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