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A coaxial-suspension coplanar waveguide transfer device and microstrip soldering method

A coplanar waveguide and microstrip technology, applied in the microwave field, can solve the problems of difficult production operation and low pass rate of experiments

Active Publication Date: 2016-06-22
CHINA ELECTRONIS TECH INSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Of course, these methods have their own limitations. The radio frequency performance of the coaxial-suspension coplanar waveguide adapter device realized by these methods has certain limitations, and the pass rate of high and low temperature, vibration and other environmental experiments is low, and the production Difficult to operate

Method used

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  • A coaxial-suspension coplanar waveguide transfer device and microstrip soldering method
  • A coaxial-suspension coplanar waveguide transfer device and microstrip soldering method
  • A coaxial-suspension coplanar waveguide transfer device and microstrip soldering method

Examples

Experimental program
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Effect test

Embodiment 1

[0027] Such as Figure 1-Figure 4 As shown, according to the characteristics of the suspended coplanar waveguide structure and the thinner 1.85mm coaxial inner conductor, first wrap the gold foil 8 on the input end and output end of the microstrip sheet 7, and wrap it from the front to the back of the microstrip sheet 7 The appropriate position, and thermocompression welding, then solder the microstrip 7 in the substrate cavity 4, and finally use the curved small thin copper tube 1 to connect the coaxial connector and the suspended coplanar waveguide, and tighten it through the outer conductor solid together.

[0028] Because the microstrip 7 is relatively thin, it is difficult to directly plate gold on the input and output ends of the microstrip 7, and the reliability is not good. Therefore, the input and output ends of the microstrip sheet 7 are wrapped with gold foil 8 from the front to the back, and hot-press welded, so that the difficulty can be reduced, the reliability ...

Embodiment 2

[0031] On the basis of the above examples, if Figure 1-Figure 4 As shown, the present invention provides an ultra-broadband high-performance coaxial-suspension coplanar waveguide transfer device, wherein, after the coaxial connector is connected to the suspension coplanar waveguide through a curved small thin copper tube 1, the external The conductor securely connects the coaxial connector, the curved small thin copper tube 1 and the suspended coplanar waveguide; the substrate cavity 4 is provided with a microstrip sheet 7 .

[0032] Further, the substrate cavity 4 is a circular copper cavity or a curved copper cavity.

[0033] Further, the symmetrical ends of the substrate chamber 4 are provided with microstrip placement slots 3 respectively, and the microstrip placement slots 3 are connected to the solder wire placement holes 2 .

[0034] Further, the input end and the output end of the microstrip sheet 7 are respectively wrapped with gold foil 8; the width of the gold foi...

Embodiment 3

[0037] On the basis of the above examples, if Figure 1-Figure 4 As shown, the present invention provides a method for soldering an ultra-broadband high-performance microstrip sheet, which is used for the soldering of the microstrip sheet in a coaxial-suspension coplanar waveguide transfer device, wherein the steps include:

[0038] Step A: Set the microstrip chip placement slots 3 at both symmetrical ends of the substrate cavity 4, and connect the placement slots 3 to the solder wire placement holes 2;

[0039] Step B: Wrap the input end and output end of the microstrip sheet 7 with gold foil 8 respectively;

[0040] Step C: place the microstrip sheet 7 in the microstrip sheet placement groove 3, place the solder wire in the solder wire placement hole 2, heat and melt and then cool; image 3 As shown, it is a schematic diagram of the soldering of the microstrip in the cavity, and the part 5 in the figure is a schematic representation of soldering and heating to fix the micro...

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Abstract

The invention provides an ultra-wideband and high-performance coaxial-suspended coplanar waveguide transfer device. The coaxial-suspended coplanar waveguide transfer device is characterized in that a coaxial connector of the coaxial-suspended coplanar waveguide transfer device is connected with suspended coplanar waveguides by elastic, curved, small and thin copper tubes, and then the coaxial connector, the curved, small and thin copper tubes and the suspended coplanar waveguides are firmly connected with one another by an outer conductor. According to the scheme, the coaxial-suspended coplanar waveguide transfer device has the advantages that shortcomings in the prior art are overcome, excellent radiofrequency performance indexes in a DC-67GHz ultra-wideband are guaranteed, and the device can assuredly pass experiments in high and low-temperature and vibration environments and the like, and is easy to manufacture and good in reliability.

Description

technical field [0001] The invention belongs to the field of microwave technology, and in particular relates to an ultra-broadband high-performance coaxial-suspension coplanar waveguide transfer device and a microstrip soldering method. Background technique [0002] In microwave and millimeter-wave integrated circuits, microwave and millimeter-wave multifunctional components and systems, it is often applied to the transfer between various transmission lines. The technical indicators of various transfers have a great impact on their performance indicators, so they are important topics that must be studied one. The suspended coplanar waveguide is also a commonly used broadband microwave circuit structure. Therefore, its transfer to the coaxial is often encountered in engineering applications, and the quality of the transfer also affects the performance of microwave components, modules and systems. index. [0003] Most of the current transfer devices are 2.4mm and 3.5mm coaxi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P5/08H01P1/04H01R43/02
Inventor 张猛姜万顺文春华李鸽
Owner CHINA ELECTRONIS TECH INSTR CO LTD