CN105425188A - Integral waveguide open-circuit and short-circuit calibrator based on calibration of microwave vector network analyzer - Google Patents
Integral waveguide open-circuit and short-circuit calibrator based on calibration of microwave vector network analyzer Download PDFInfo
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- CN105425188A CN105425188A CN201510964746.9A CN201510964746A CN105425188A CN 105425188 A CN105425188 A CN 105425188A CN 201510964746 A CN201510964746 A CN 201510964746A CN 105425188 A CN105425188 A CN 105425188A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
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Abstract
The invention discloses an integral waveguide open-circuit and short-circuit calibrator based on calibration of a microwave vector network analyzer, which comprises a standard short-circuit waveguide (1), a fixed flange (2) welded on the standard short-circuit waveguide (1), a piston block (3) which is installed on the fixed flange (2) and allows open-circuit and short-circuit adjustment, and a connecting flange (4) connected to the fixed flange (2), wherein the connecting flange (4) is connected to a coaxial conversion waveguide. The integral waveguide open-circuit and short-circuit calibrator based on the calibration of the microwave vector network analyzer disclosed by the invention is rational in structural design and simple in installation. The calibrator has high precision, can be operated conveniently, needs not to be dismounted repeatedly, saves time and effort, and has high working efficiency and strong practicability.
Description
Technical field
The present invention relates to Microwave Measurement Technique field, be specifically related to a kind of integrated waveguide open circuit, short circuit calibrating device based on microwave vector network analyzer calibration.
Background technology
Along with the development of microwave technology; the scope of microwave technology in commercial Application constantly expands and gos deep into; when Matched measurement is carried out to microwave equipment; need to be measured reflection parameters by microwave vector network analyzer (VNA) and regulated by tuner; make the coupling that load and microwave transmission system reach good; improve microwave utilization factor, protection microwave source.
Therefore, when carrying out microwave measurement for guaranteeing precision, needing to calibrate surveying instrument, and deleting cumbersome process as far as possible.But existing equipment needs to be connected with short circuit, open circuit surface successively respectively to calibrate coaxially changing waveguide, and repeatedly dismantle, waste time and energy, work efficiency is lower.
Therefore, necessary on the basis of prior art, design a kind of reasonable in design, calibrating device accuracy is high, easy to operate, does not need repeatedly to dismantle, time saving and energy saving, integrated waveguide open circuit, short circuit calibrating device based on VNA calibration that work efficiency is high.
Summary of the invention
Goal of the invention: loaded down with trivial details when the object of the invention is to solve existing Measurement and calibration, provide a kind of reasonable in design, calibrating device accuracy is high, easy to operate, do not need repeatedly to dismantle, time saving and energy saving, integrated waveguide open circuit, short circuit calibrating device based on VNA calibration that work efficiency is high.
Technical scheme: in order to realize above object, the technical scheme that the present invention takes is:
A kind of integrated waveguide open circuit, short circuit calibrating device based on microwave vector network analyzer calibration, it comprises standard short circuited waveguide, be welded on the mounting flange on standard short circuited waveguide, be arranged on the piston block of adjustable open circuit on mounting flange and short circuit, the joint flange be connected with mounting flange, described joint flange is changed waveguide be connected with coaxial; The piston block of adjustable open circuit and short circuit can slide at mounting flange.
Preferably, above-described a kind of integrated waveguide open circuit, short circuit calibrating device based on microwave vector network analyzer calibration, mounting flange is connected by sunk screw with joint flange.
Preferably, above-described a kind of integrated waveguide open circuit, short circuit calibrating device based on microwave vector network analyzer calibration, standard short circuited waveguide is one section of λ
gthe standard short circuited waveguide of/4 wavelength, λ
gfor waveguide wavelength, if frequency is 915MHz, BJ-9 waveguide, λ
gbe about 436mm; Frequency is 2.45GHz, BJ-22 waveguide, λ
gbe about 148mm, BJ-26 waveguide, λ
gbe about 174mm.
Described adjustable open circuit and the piston block of short circuit are the derbies that one end offers opening.Size can make according to each microwave frequency band standard waveguide dimensioned, is applicable to each frequency range microwave measurement needs.Adjustable open circuit can slide by relative mounting flange with the piston block of short circuit, when the open centre in piston block is positioned at waveguide core position, can realize open circuit calibration; When the metal center of piston block is positioned at waveguide core, can realize the calibration of short circuit face, thus not need repeatedly to dismantle and calibrate, calibration efficiency is high.
Preferably, integrated waveguide open circuit, short circuit calibrating device that above-described one is calibrated based on microwave vector network analyzer (VNA), after connecting coaxial conversion waveguide, only need the position of regulating piston block, just can realize short circuit, open circuit surface is calibrated, not need repeatedly to dismantle.
Beneficial effect: integrated waveguide open circuit, short circuit calibrating device that one provided by the invention is calibrated based on microwave vector network analyzer (VNA) have the following advantages compared with existing microwave measurement calibration device:
Integrated waveguide open circuit, short circuit calibrating device based on VNA calibration of the present invention, reasonable in design, install simple, calibrating device accuracy is high, easy to operate, does not need repeatedly to dismantle, and time saving and energy saving, work efficiency is high.The present invention will coaxially change waveguide and be connected with joint flange, only need that regulating piston block just can realize short circuit, open circuit surface is calibrated, and not need repeatedly to dismantle.Prior art can be overcome need to be connected with short circuit, open circuit surface successively respectively to calibrate coaxially changing waveguide, repeatedly dismantle, the deficiency wasted time and energy.
Accompanying drawing explanation
Fig. 1 the present invention is based on the integrated waveguide open circuit of microwave vector network analyzer calibration, the cross section structure schematic diagram of short circuit calibrating device.
Fig. 2 is the integrated waveguide open circuit, the short circuit calibrating device three-dimensional structure schematic diagram that the present invention is based on microwave vector network analyzer calibration.
Fig. 3 is structural representation when piston block is adjusted to short circuit in the present invention.
Fig. 4 is structural representation when piston block is adjusted to open circuit in the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
As shown in Figures 1 to 4, a kind of integrated waveguide open circuit, short circuit calibrating device based on microwave vector network analyzer calibration, it comprises standard short circuited waveguide (1), be welded on the mounting flange (2) on standard short circuited waveguide (1), be arranged on the piston block (3) of adjustable open circuit on mounting flange (2) and short circuit, the joint flange (4) be connected with mounting flange (2), described joint flange (4) is changed waveguide be connected with coaxial.Described mounting flange (2) is connected by sunk screw (5) with joint flange (4).The piston block (3) of adjustable open circuit and short circuit can slide relative to mounting flange (2).
Above-described a kind of integrated waveguide open circuit, short circuit calibrating device based on microwave vector network analyzer calibration, standard short circuited waveguide (1) is one section of λ
gthe standard short circuited waveguide of/4 wavelength.
Above-described a kind of integrated waveguide open circuit, short circuit calibrating device based on microwave vector network analyzer calibration, described adjustable open circuit and the piston block of short circuit are the derbies that one end offers opening.
As shown in Figure 3, when piston block (3) is adjusted to Fig. 3 position, the calibration of waveguide short face can be realized;
As shown in Figure 4, when piston block (3) is adjusted to Fig. 4 position, the calibration of waveguide open circuit surface can be realized.
The present invention is rational in infrastructure, simplicity of design, easy to use, and short circuit, open circuit surface are combined, repeatedly dismantle when microwave measurement can be avoided to calibrate, practical, work efficiency is higher.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. integrated waveguide open circuit, short circuit calibrating device based on a microwave vector network analyzer calibration, it is characterized in that, it comprises standard short circuited waveguide (1), be welded on the mounting flange (2) on standard short circuited waveguide (1), be arranged on the piston block (3) of adjustable open circuit on mounting flange (2) and short circuit, the joint flange (4) be connected with mounting flange (2), described joint flange (4) is changed waveguide be connected with coaxial; The piston block (3) of adjustable open circuit and short circuit can in the upper slip of mounting flange (2).
2. a kind of integrated waveguide open circuit, short circuit calibrating device based on microwave vector network analyzer calibration according to claim 1, it is characterized in that, mounting flange (2) is connected by sunk screw (5) with joint flange (4).
3. a kind of integrated waveguide open circuit, short circuit calibrating device based on microwave vector network analyzer calibration according to claim 1, it is characterized in that, standard short circuited waveguide (1) is one section of λ
gthe standard short circuited waveguide of/4 wavelength.
4. a kind of integrated waveguide open circuit, short circuit calibrating device based on microwave vector network analyzer calibration according to claim 1, it is characterized in that, the piston block (3) of described adjustable open circuit and short circuit is the derby that one end offers opening, can in the upper slip of mounting flange (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510964746.9A CN105425188B (en) | 2015-12-21 | 2015-12-21 | Integrated waveguide open circuit, short-circuit calibrator based on microwave vector network analyzer calibration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510964746.9A CN105425188B (en) | 2015-12-21 | 2015-12-21 | Integrated waveguide open circuit, short-circuit calibrator based on microwave vector network analyzer calibration |
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| Publication Number | Publication Date |
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| CN105425188A true CN105425188A (en) | 2016-03-23 |
| CN105425188B CN105425188B (en) | 2018-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510964746.9A Expired - Fee Related CN105425188B (en) | 2015-12-21 | 2015-12-21 | Integrated waveguide open circuit, short-circuit calibrator based on microwave vector network analyzer calibration |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970344A (en) * | 2017-03-24 | 2017-07-21 | 西安科技大学 | A kind of method for reducing open circuit device calibrating device edge capacitance and open circuit device calibrating device |
| CN107942276A (en) * | 2017-12-29 | 2018-04-20 | 西安艾力特电子实业有限公司 | A kind of waveguide calibrating device and method for calibration vector Network Analyzer |
| CN109659651A (en) * | 2019-01-23 | 2019-04-19 | 成都迈频科技有限公司 | A kind of matching knot Automatic Calibration Technique and device |
| CN111983540A (en) * | 2020-08-28 | 2020-11-24 | 中电科仪器仪表有限公司 | Preparation method of high-precision terahertz ultrashort wavelength calibration piece and calibration piece |
| CN114113691A (en) * | 2021-11-24 | 2022-03-01 | 电子科技大学 | Waveguide port test fixture capable of realizing calibration and de-embedding technology |
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| JPS58124301A (en) * | 1982-01-20 | 1983-07-23 | Toshiba Corp | Microwave solid-state device |
| CN101533048A (en) * | 2008-03-13 | 2009-09-16 | 斯皮纳有限公司 | Vector network analyser calibration system |
| CN203519730U (en) * | 2013-09-30 | 2014-04-02 | 上海霍莱沃电子系统技术有限公司 | Scattering parameter testing system |
| CN104101854A (en) * | 2014-07-22 | 2014-10-15 | 中国电子科技集团公司第四十一研究所 | Electromagnetically-driven integrated waveguide calibration element |
| CN104391181A (en) * | 2014-11-27 | 2015-03-04 | 电子科技大学 | High temperature calibration device for testing microwave dielectric material and calibration method thereof |
| CN204758808U (en) * | 2015-06-17 | 2015-11-11 | 国网天津市电力公司 | A general short circuiter for digital multimeter calibrates zero point |
| CN205301561U (en) * | 2015-12-21 | 2016-06-08 | 南京三乐微波技术发展有限公司 | Integration waveguide is opened a way, short circuit calibrator based on calibration of microwave vector network analyzer |
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2015
- 2015-12-21 CN CN201510964746.9A patent/CN105425188B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58124301A (en) * | 1982-01-20 | 1983-07-23 | Toshiba Corp | Microwave solid-state device |
| CN101533048A (en) * | 2008-03-13 | 2009-09-16 | 斯皮纳有限公司 | Vector network analyser calibration system |
| CN203519730U (en) * | 2013-09-30 | 2014-04-02 | 上海霍莱沃电子系统技术有限公司 | Scattering parameter testing system |
| CN104101854A (en) * | 2014-07-22 | 2014-10-15 | 中国电子科技集团公司第四十一研究所 | Electromagnetically-driven integrated waveguide calibration element |
| CN104391181A (en) * | 2014-11-27 | 2015-03-04 | 电子科技大学 | High temperature calibration device for testing microwave dielectric material and calibration method thereof |
| CN204758808U (en) * | 2015-06-17 | 2015-11-11 | 国网天津市电力公司 | A general short circuiter for digital multimeter calibrates zero point |
| CN205301561U (en) * | 2015-12-21 | 2016-06-08 | 南京三乐微波技术发展有限公司 | Integration waveguide is opened a way, short circuit calibrator based on calibration of microwave vector network analyzer |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970344A (en) * | 2017-03-24 | 2017-07-21 | 西安科技大学 | A kind of method for reducing open circuit device calibrating device edge capacitance and open circuit device calibrating device |
| CN107942276A (en) * | 2017-12-29 | 2018-04-20 | 西安艾力特电子实业有限公司 | A kind of waveguide calibrating device and method for calibration vector Network Analyzer |
| CN109659651A (en) * | 2019-01-23 | 2019-04-19 | 成都迈频科技有限公司 | A kind of matching knot Automatic Calibration Technique and device |
| CN109659651B (en) * | 2019-01-23 | 2023-10-31 | 成都迈频科技有限公司 | Automatic calibration device for matching junction and application method thereof |
| CN111983540A (en) * | 2020-08-28 | 2020-11-24 | 中电科仪器仪表有限公司 | Preparation method of high-precision terahertz ultrashort wavelength calibration piece and calibration piece |
| CN111983540B (en) * | 2020-08-28 | 2024-02-02 | 中电科思仪科技股份有限公司 | Preparation method of high-precision terahertz ultra-short wavelength calibration piece and calibration piece |
| CN114113691A (en) * | 2021-11-24 | 2022-03-01 | 电子科技大学 | Waveguide port test fixture capable of realizing calibration and de-embedding technology |
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|---|---|
| CN105425188B (en) | 2018-04-24 |
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Granted publication date: 20180424 Termination date: 20211221 |